feat: add data import/export bundle

backend/internal/handler/admin/account_data.go

+package admin
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/Wei-Shaw/sub2api/internal/pkg/response"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/gin-gonic/gin"
+)
+
+const (
+	dataType       = "sub2api-data"
+	legacyDataType = "sub2api-bundle"
+	dataVersion    = 1
+	dataPageCap    = 1000
+)
+
+type DataPayload struct {
+	Type       string        `json:"type"`
+	Version    int           `json:"version"`
+	ExportedAt string        `json:"exported_at"`
+	Proxies    []DataProxy   `json:"proxies"`
+	Accounts   []DataAccount `json:"accounts"`
+}
+
+type DataProxy struct {
+	ProxyKey string `json:"proxy_key"`
+	Name     string `json:"name"`
+	Protocol string `json:"protocol"`
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	Username string `json:"username,omitempty"`
+	Password string `json:"password,omitempty"`
+	Status   string `json:"status"`
+}
+
+type DataAccount struct {
+	Name               string         `json:"name"`
+	Notes              *string        `json:"notes,omitempty"`
+	Platform           string         `json:"platform"`
+	Type               string         `json:"type"`
+	Credentials        map[string]any `json:"credentials"`
+	Extra              map[string]any `json:"extra,omitempty"`
+	ProxyKey           *string        `json:"proxy_key,omitempty"`
+	Concurrency        int            `json:"concurrency"`
+	Priority           int            `json:"priority"`
+	RateMultiplier     *float64       `json:"rate_multiplier,omitempty"`
+	ExpiresAt          *int64         `json:"expires_at,omitempty"`
+	AutoPauseOnExpired *bool          `json:"auto_pause_on_expired,omitempty"`
+}
+
+type DataImportRequest struct {
+	Data                 DataPayload `json:"data"`
+	SkipDefaultGroupBind *bool       `json:"skip_default_group_bind"`
+}
+
+type DataImportResult struct {
+	ProxyCreated   int               `json:"proxy_created"`
+	ProxyReused    int               `json:"proxy_reused"`
+	ProxyFailed    int               `json:"proxy_failed"`
+	AccountCreated int               `json:"account_created"`
+	AccountFailed  int               `json:"account_failed"`
+	Errors         []DataImportError `json:"errors,omitempty"`
+}
+
+type DataImportError struct {
+	Kind     string `json:"kind"`
+	Name     string `json:"name,omitempty"`
+	ProxyKey string `json:"proxy_key,omitempty"`
+	Message  string `json:"message"`
+}
+
+func buildProxyKey(protocol, host string, port int, username, password string) string {
+	return fmt.Sprintf("%s|%s|%d|%s|%s", strings.TrimSpace(protocol), strings.TrimSpace(host), port, strings.TrimSpace(username), strings.TrimSpace(password))
+}
+
+func (h *AccountHandler) ExportData(c *gin.Context) {
+	ctx := c.Request.Context()
+
+	selectedIDs, err := parseAccountIDs(c)
+	if err != nil {
+		response.BadRequest(c, err.Error())
+		return
+	}
+
+	accounts, err := h.resolveExportAccounts(ctx, selectedIDs, c)
+	if err != nil {
+		response.ErrorFrom(c, err)
+		return
+	}
+
+	includeProxies, err := parseIncludeProxies(c)
+	if err != nil {
+		response.BadRequest(c, err.Error())
+		return
+	}
+
+	var proxies []service.Proxy
+	if includeProxies {
+		proxies, err = h.resolveExportProxies(ctx, accounts)
+		if err != nil {
+			response.ErrorFrom(c, err)
+			return
+		}
+	} else {
+		proxies = []service.Proxy{}
+	}
+
+	proxyKeyByID := make(map[int64]string, len(proxies))
+	dataProxies := make([]DataProxy, 0, len(proxies))
+	for i := range proxies {
+		p := proxies[i]
+		key := buildProxyKey(p.Protocol, p.Host, p.Port, p.Username, p.Password)
+		proxyKeyByID[p.ID] = key
+		dataProxies = append(dataProxies, DataProxy{
+			ProxyKey: key,
+			Name:     p.Name,
+			Protocol: p.Protocol,
+			Host:     p.Host,
+			Port:     p.Port,
+			Username: p.Username,
+			Password: p.Password,
+			Status:   p.Status,
+		})
+	}
+
+	dataAccounts := make([]DataAccount, 0, len(accounts))
+	for i := range accounts {
+		acc := accounts[i]
+		var proxyKey *string
+		if acc.ProxyID != nil {
+			if key, ok := proxyKeyByID[*acc.ProxyID]; ok {
+				proxyKey = &key
+			}
+		}
+		var expiresAt *int64
+		if acc.ExpiresAt != nil {
+			v := acc.ExpiresAt.Unix()
+			expiresAt = &v
+		}
+		dataAccounts = append(dataAccounts, DataAccount{
+			Name:               acc.Name,
+			Notes:              acc.Notes,
+			Platform:           acc.Platform,
+			Type:               acc.Type,
+			Credentials:        acc.Credentials,
+			Extra:              acc.Extra,
+			ProxyKey:           proxyKey,
+			Concurrency:        acc.Concurrency,
+			Priority:           acc.Priority,
+			RateMultiplier:     acc.RateMultiplier,
+			ExpiresAt:          expiresAt,
+			AutoPauseOnExpired: &acc.AutoPauseOnExpired,
+		})
+	}
+
+	payload := DataPayload{
+		Type:       dataType,
+		Version:    dataVersion,
+		ExportedAt: time.Now().UTC().Format(time.RFC3339),
+		Proxies:    dataProxies,
+		Accounts:   dataAccounts,
+	}
+
+	response.Success(c, payload)
+}
+
+func (h *AccountHandler) ImportData(c *gin.Context) {
+	var req DataImportRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.BadRequest(c, "Invalid request: "+err.Error())
+		return
+	}
+
+	dataPayload := req.Data
+	if err := validateDataHeader(dataPayload); err != nil {
+		response.BadRequest(c, err.Error())
+		return
+	}
+
+	skipDefaultGroupBind := true
+	if req.SkipDefaultGroupBind != nil {
+		skipDefaultGroupBind = *req.SkipDefaultGroupBind
+	}
+
+	result := DataImportResult{}
+	existingProxies, err := h.listAllProxies(c.Request.Context())
+	if err != nil {
+		response.ErrorFrom(c, err)
+		return
+	}
+
+	proxyKeyToID := make(map[string]int64, len(existingProxies))
+	for i := range existingProxies {
+		p := existingProxies[i]
+		key := buildProxyKey(p.Protocol, p.Host, p.Port, p.Username, p.Password)
+		proxyKeyToID[key] = p.ID
+	}
+
+	for i := range dataPayload.Proxies {
+		item := dataPayload.Proxies[i]
+		key := item.ProxyKey
+		if key == "" {
+			key = buildProxyKey(item.Protocol, item.Host, item.Port, item.Username, item.Password)
+		}
+		if err := validateDataProxy(item); err != nil {
+			result.ProxyFailed++
+			result.Errors = append(result.Errors, DataImportError{
+				Kind:     "proxy",
+				Name:     item.Name,
+				ProxyKey: key,
+				Message:  err.Error(),
+			})
+			continue
+		}
+		if existingID, ok := proxyKeyToID[key]; ok {
+			proxyKeyToID[key] = existingID
+			result.ProxyReused++
+			continue
+		}
+
+		created, err := h.adminService.CreateProxy(c.Request.Context(), &service.CreateProxyInput{
+			Name:     defaultProxyName(item.Name),
+			Protocol: item.Protocol,
+			Host:     item.Host,
+			Port:     item.Port,
+			Username: item.Username,
+			Password: item.Password,
+		})
+		if err != nil {
+			result.ProxyFailed++
+			result.Errors = append(result.Errors, DataImportError{
+				Kind:     "proxy",
+				Name:     item.Name,
+				ProxyKey: key,
+				Message:  err.Error(),
+			})
+			continue
+		}
+		proxyKeyToID[key] = created.ID
+		result.ProxyCreated++
+
+		if item.Status != "" && item.Status != created.Status {
+			_, _ = h.adminService.UpdateProxy(c.Request.Context(), created.ID, &service.UpdateProxyInput{
+				Status: item.Status,
+			})
+		}
+	}
+
+	for i := range dataPayload.Accounts {
+		item := dataPayload.Accounts[i]
+		if err := validateDataAccount(item); err != nil {
+			result.AccountFailed++
+			result.Errors = append(result.Errors, DataImportError{
+				Kind:    "account",
+				Name:    item.Name,
+				Message: err.Error(),
+			})
+			continue
+		}
+
+		var proxyID *int64
+		if item.ProxyKey != nil && *item.ProxyKey != "" {
+			if id, ok := proxyKeyToID[*item.ProxyKey]; ok {
+				proxyID = &id
+			} else {
+				result.AccountFailed++
+				result.Errors = append(result.Errors, DataImportError{
+					Kind:     "account",
+					Name:     item.Name,
+					ProxyKey: *item.ProxyKey,
+					Message:  "proxy_key not found",
+				})
+				continue
+			}
+		}
+
+		accountInput := &service.CreateAccountInput{
+			Name:                 item.Name,
+			Notes:                item.Notes,
+			Platform:             item.Platform,
+			Type:                 item.Type,
+			Credentials:          item.Credentials,
+			Extra:                item.Extra,
+			ProxyID:              proxyID,
+			Concurrency:          item.Concurrency,
+			Priority:             item.Priority,
+			RateMultiplier:       item.RateMultiplier,
+			GroupIDs:             nil,
+			ExpiresAt:            item.ExpiresAt,
+			AutoPauseOnExpired:   item.AutoPauseOnExpired,
+			SkipDefaultGroupBind: skipDefaultGroupBind,
+		}
+
+		if _, err := h.adminService.CreateAccount(c.Request.Context(), accountInput); err != nil {
+			result.AccountFailed++
+			result.Errors = append(result.Errors, DataImportError{
+				Kind:    "account",
+				Name:    item.Name,
+				Message: err.Error(),
+			})
+			continue
+		}
+		result.AccountCreated++
+	}
+
+	response.Success(c, result)
+}
+
+func (h *AccountHandler) listAllAccounts(ctx context.Context) ([]service.Account, error) {
+	page := 1
+	pageSize := dataPageCap
+	var out []service.Account
+	for {
+		items, total, err := h.adminService.ListAccounts(ctx, page, pageSize, "", "", "", "")
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, items...)
+		if len(out) >= int(total) || len(items) == 0 {
+			break
+		}
+		page++
+	}
+	return out, nil
+}
+
+func (h *AccountHandler) listAllProxies(ctx context.Context) ([]service.Proxy, error) {
+	page := 1
+	pageSize := dataPageCap
+	var out []service.Proxy
+	for {
+		items, total, err := h.adminService.ListProxies(ctx, page, pageSize, "", "", "")
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, items...)
+		if len(out) >= int(total) || len(items) == 0 {
+			break
+		}
+		page++
+	}
+	return out, nil
+}
+
+func (h *AccountHandler) listAccountsFiltered(ctx context.Context, platform, accountType, status, search string) ([]service.Account, error) {
+	page := 1
+	pageSize := dataPageCap
+	var out []service.Account
+	for {
+		items, total, err := h.adminService.ListAccounts(ctx, page, pageSize, platform, accountType, status, search)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, items...)
+		if len(out) >= int(total) || len(items) == 0 {
+			break
+		}
+		page++
+	}
+	return out, nil
+}
+
+func (h *AccountHandler) resolveExportAccounts(ctx context.Context, ids []int64, c *gin.Context) ([]service.Account, error) {
+	if len(ids) > 0 {
+		accounts, err := h.adminService.GetAccountsByIDs(ctx, ids)
+		if err != nil {
+			return nil, err
+		}
+		out := make([]service.Account, 0, len(accounts))
+		for _, acc := range accounts {
+			if acc == nil {
+				continue
+			}
+			out = append(out, *acc)
+		}
+		return out, nil
+	}
+
+	platform := c.Query("platform")
+	accountType := c.Query("type")
+	status := c.Query("status")
+	search := strings.TrimSpace(c.Query("search"))
+	if len(search) > 100 {
+		search = search[:100]
+	}
+	return h.listAccountsFiltered(ctx, platform, accountType, status, search)
+}
+
+func (h *AccountHandler) resolveExportProxies(ctx context.Context, accounts []service.Account) ([]service.Proxy, error) {
+	_ = accounts
+	return h.listAllProxies(ctx)
+}
+
+func parseAccountIDs(c *gin.Context) ([]int64, error) {
+	values := c.QueryArray("ids")
+	if len(values) == 0 {
+		raw := strings.TrimSpace(c.Query("ids"))
+		if raw != "" {
+			values = []string{raw}
+		}
+	}
+	if len(values) == 0 {
+		return nil, nil
+	}
+
+	ids := make([]int64, 0, len(values))
+	for _, item := range values {
+		for _, part := range strings.Split(item, ",") {
+			part = strings.TrimSpace(part)
+			if part == "" {
+				continue
+			}
+			id, err := strconv.ParseInt(part, 10, 64)
+			if err != nil || id <= 0 {
+				return nil, fmt.Errorf("invalid account id: %s", part)
+			}
+			ids = append(ids, id)
+		}
+	}
+	return ids, nil
+}
+
+func parseIncludeProxies(c *gin.Context) (bool, error) {
+	raw := strings.TrimSpace(strings.ToLower(c.Query("include_proxies")))
+	if raw == "" {
+		return true, nil
+	}
+	switch raw {
+	case "1", "true", "yes", "on":
+		return true, nil
+	case "0", "false", "no", "off":
+		return false, nil
+	default:
+		return true, fmt.Errorf("invalid include_proxies value: %s", raw)
+	}
+}
+
+func validateDataHeader(payload DataPayload) error {
+	if payload.Type == "" {
+		return errors.New("data type is required")
+	}
+	if payload.Type != dataType && payload.Type != legacyDataType {
+		return fmt.Errorf("unsupported data type: %s", payload.Type)
+	}
+	if payload.Version != dataVersion {
+		return fmt.Errorf("unsupported data version: %d", payload.Version)
+	}
+	return nil
+}
+
+func validateDataProxy(item DataProxy) error {
+	if strings.TrimSpace(item.Protocol) == "" {
+		return errors.New("proxy protocol is required")
+	}
+	if strings.TrimSpace(item.Host) == "" {
+		return errors.New("proxy host is required")
+	}
+	if item.Port <= 0 || item.Port > 65535 {
+		return errors.New("proxy port is invalid")
+	}
+	switch item.Protocol {
+	case "http", "https", "socks5", "socks5h":
+	default:
+		return fmt.Errorf("proxy protocol is invalid: %s", item.Protocol)
+	}
+	return nil
+}
+
+func validateDataAccount(item DataAccount) error {
+	if strings.TrimSpace(item.Name) == "" {
+		return errors.New("account name is required")
+	}
+	if strings.TrimSpace(item.Platform) == "" {
+		return errors.New("account platform is required")
+	}
+	if strings.TrimSpace(item.Type) == "" {
+		return errors.New("account type is required")
+	}
+	if len(item.Credentials) == 0 {
+		return errors.New("account credentials is required")
+	}
+	switch item.Type {
+	case service.AccountTypeOAuth, service.AccountTypeSetupToken, service.AccountTypeAPIKey, service.AccountTypeUpstream:
+	default:
+		return fmt.Errorf("account type is invalid: %s", item.Type)
+	}
+	if item.RateMultiplier != nil && *item.RateMultiplier < 0 {
+		return errors.New("rate_multiplier must be >= 0")
+	}
+	if item.Concurrency < 0 {
+		return errors.New("concurrency must be >= 0")
+	}
+	if item.Priority < 0 {
+		return errors.New("priority must be >= 0")
+	}
+	return nil
+}
+
+func defaultProxyName(name string) string {
+	if strings.TrimSpace(name) == "" {
+		return "imported-proxy"
+	}
+	return name
+}

backend/internal/handler/admin/account_data_handler_test.go

+package admin
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+type dataResponse struct {
+	Code int         `json:"code"`
+	Data dataPayload `json:"data"`
+}
+
+type dataPayload struct {
+	Type     string        `json:"type"`
+	Version  int           `json:"version"`
+	Proxies  []dataProxy   `json:"proxies"`
+	Accounts []dataAccount `json:"accounts"`
+}
+
+type dataProxy struct {
+	ProxyKey string `json:"proxy_key"`
+	Name     string `json:"name"`
+	Protocol string `json:"protocol"`
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	Username string `json:"username"`
+	Password string `json:"password"`
+	Status   string `json:"status"`
+}
+
+type dataAccount struct {
+	Name        string         `json:"name"`
+	Platform    string         `json:"platform"`
+	Type        string         `json:"type"`
+	Credentials map[string]any `json:"credentials"`
+	Extra       map[string]any `json:"extra"`
+	ProxyKey    *string        `json:"proxy_key"`
+	Concurrency int            `json:"concurrency"`
+	Priority    int            `json:"priority"`
+}
+
+func setupAccountDataRouter() (*gin.Engine, *stubAdminService) {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	adminSvc := newStubAdminService()
+
+	h := NewAccountHandler(
+		adminSvc,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+		nil,
+	)
+
+	router.GET("/api/v1/admin/accounts/data", h.ExportData)
+	router.POST("/api/v1/admin/accounts/data", h.ImportData)
+	return router, adminSvc
+}
+
+func TestExportDataIncludesSecrets(t *testing.T) {
+	router, adminSvc := setupAccountDataRouter()
+
+	proxyID := int64(11)
+	adminSvc.proxies = []service.Proxy{
+		{
+			ID:       proxyID,
+			Name:     "proxy",
+			Protocol: "http",
+			Host:     "127.0.0.1",
+			Port:     8080,
+			Username: "user",
+			Password: "pass",
+			Status:   service.StatusActive,
+		},
+		{
+			ID:       12,
+			Name:     "orphan",
+			Protocol: "https",
+			Host:     "10.0.0.1",
+			Port:     443,
+			Username: "o",
+			Password: "p",
+			Status:   service.StatusActive,
+		},
+	}
+	adminSvc.accounts = []service.Account{
+		{
+			ID:          21,
+			Name:        "account",
+			Platform:    service.PlatformOpenAI,
+			Type:        service.AccountTypeOAuth,
+			Credentials: map[string]any{"token": "secret"},
+			Extra:       map[string]any{"note": "x"},
+			ProxyID:     &proxyID,
+			Concurrency: 3,
+			Priority:    50,
+			Status:      service.StatusDisabled,
+		},
+	}
+
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet, "/api/v1/admin/accounts/data", nil)
+	router.ServeHTTP(rec, req)
+	require.Equal(t, http.StatusOK, rec.Code)
+
+	var resp dataResponse
+	require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &resp))
+	require.Equal(t, 0, resp.Code)
+	require.Equal(t, dataType, resp.Data.Type)
+	require.Len(t, resp.Data.Proxies, 2)
+	require.Equal(t, "pass", resp.Data.Proxies[0].Password)
+	require.Len(t, resp.Data.Accounts, 1)
+	require.Equal(t, "secret", resp.Data.Accounts[0].Credentials["token"])
+}
+
+func TestExportDataWithoutProxies(t *testing.T) {
+	router, adminSvc := setupAccountDataRouter()
+
+	proxyID := int64(11)
+	adminSvc.proxies = []service.Proxy{
+		{
+			ID:       proxyID,
+			Name:     "proxy",
+			Protocol: "http",
+			Host:     "127.0.0.1",
+			Port:     8080,
+			Username: "user",
+			Password: "pass",
+			Status:   service.StatusActive,
+		},
+	}
+	adminSvc.accounts = []service.Account{
+		{
+			ID:          21,
+			Name:        "account",
+			Platform:    service.PlatformOpenAI,
+			Type:        service.AccountTypeOAuth,
+			Credentials: map[string]any{"token": "secret"},
+			ProxyID:     &proxyID,
+			Concurrency: 3,
+			Priority:    50,
+			Status:      service.StatusDisabled,
+		},
+	}
+
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet, "/api/v1/admin/accounts/data?include_proxies=false", nil)
+	router.ServeHTTP(rec, req)
+	require.Equal(t, http.StatusOK, rec.Code)
+
+	var resp dataResponse
+	require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &resp))
+	require.Equal(t, 0, resp.Code)
+	require.Len(t, resp.Data.Proxies, 0)
+	require.Len(t, resp.Data.Accounts, 1)
+	require.Nil(t, resp.Data.Accounts[0].ProxyKey)
+}
+
+func TestImportDataReusesProxyAndSkipsDefaultGroup(t *testing.T) {
+	router, adminSvc := setupAccountDataRouter()
+
+	adminSvc.proxies = []service.Proxy{
+		{
+			ID:       1,
+			Name:     "proxy",
+			Protocol: "socks5",
+			Host:     "1.2.3.4",
+			Port:     1080,
+			Username: "u",
+			Password: "p",
+			Status:   service.StatusActive,
+		},
+	}
+
+	dataPayload := map[string]any{
+		"data": map[string]any{
+			"type":    dataType,
+			"version": dataVersion,
+			"proxies": []map[string]any{
+				{
+					"proxy_key": "socks5|1.2.3.4|1080|u|p",
+					"name":      "proxy",
+					"protocol":  "socks5",
+					"host":      "1.2.3.4",
+					"port":      1080,
+					"username":  "u",
+					"password":  "p",
+					"status":    "active",
+				},
+			},
+			"accounts": []map[string]any{
+				{
+					"name":        "acc",
+					"platform":    service.PlatformOpenAI,
+					"type":        service.AccountTypeOAuth,
+					"credentials": map[string]any{"token": "x"},
+					"proxy_key":   "socks5|1.2.3.4|1080|u|p",
+					"concurrency": 3,
+					"priority":    50,
+				},
+			},
+		},
+		"skip_default_group_bind": true,
+	}
+
+	body, _ := json.Marshal(dataPayload)
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/admin/accounts/data", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	router.ServeHTTP(rec, req)
+	require.Equal(t, http.StatusOK, rec.Code)
+
+	require.Len(t, adminSvc.createdProxies, 0)
+	require.Len(t, adminSvc.createdAccounts, 1)
+	require.True(t, adminSvc.createdAccounts[0].SkipDefaultGroupBind)
+}

backend/internal/handler/admin/account_handler.go

@@ -696,11 +696,61 @@ func (h *AccountHandler) BatchCreate(c *gin.Context) {
 		return
 	}
 
-	// Return mock data for now
+	ctx := c.Request.Context()
+	success := 0
+	failed := 0
+	results := make([]gin.H, 0, len(req.Accounts))
+
+	for _, item := range req.Accounts {
+		if item.RateMultiplier != nil && *item.RateMultiplier < 0 {
+			failed++
+			results = append(results, gin.H{
+				"name":    item.Name,
+				"success": false,
+				"error":   "rate_multiplier must be >= 0",
+			})
+			continue
+		}
+
+		skipCheck := item.ConfirmMixedChannelRisk != nil && *item.ConfirmMixedChannelRisk
+
+		account, err := h.adminService.CreateAccount(ctx, &service.CreateAccountInput{
+			Name:                  item.Name,
+			Notes:                 item.Notes,
+			Platform:              item.Platform,
+			Type:                  item.Type,
+			Credentials:           item.Credentials,
+			Extra:                 item.Extra,
+			ProxyID:               item.ProxyID,
+			Concurrency:           item.Concurrency,
+			Priority:              item.Priority,
+			RateMultiplier:        item.RateMultiplier,
+			GroupIDs:              item.GroupIDs,
+			ExpiresAt:             item.ExpiresAt,
+			AutoPauseOnExpired:    item.AutoPauseOnExpired,
+			SkipMixedChannelCheck: skipCheck,
+		})
+		if err != nil {
+			failed++
+			results = append(results, gin.H{
+				"name":    item.Name,
+				"success": false,
+				"error":   err.Error(),
+			})
+			continue
+		}
+		success++
+		results = append(results, gin.H{
+			"name":    item.Name,
+			"id":      account.ID,
+			"success": true,
+		})
+	}
+
 	response.Success(c, gin.H{
-		"success": len(req.Accounts),
-		"failed":  0,
-		"results": []gin.H{},
+		"success": success,
+		"failed":  failed,
+		"results": results,
 	})
 }
 

backend/internal/handler/admin/admin_service_stub_test.go

@@ -2,19 +2,22 @@ package admin
 
 import (
 	"context"
+	"strings"
 	"time"
 
 	"github.com/Wei-Shaw/sub2api/internal/service"
 )
 
 type stubAdminService struct {
-	users       []service.User
-	apiKeys     []service.APIKey
-	groups      []service.Group
-	accounts    []service.Account
-	proxies     []service.Proxy
-	proxyCounts []service.ProxyWithAccountCount
-	redeems     []service.RedeemCode
+	users           []service.User
+	apiKeys         []service.APIKey
+	groups          []service.Group
+	accounts        []service.Account
+	proxies         []service.Proxy
+	proxyCounts     []service.ProxyWithAccountCount
+	redeems         []service.RedeemCode
+	createdAccounts []*service.CreateAccountInput
+	createdProxies  []*service.CreateProxyInput
 }
 
 func newStubAdminService() *stubAdminService {
@@ -177,6 +180,7 @@ func (s *stubAdminService) GetAccountsByIDs(ctx context.Context, ids []int64) ([
 }
 
 func (s *stubAdminService) CreateAccount(ctx context.Context, input *service.CreateAccountInput) (*service.Account, error) {
+	s.createdAccounts = append(s.createdAccounts, input)
 	account := service.Account{ID: 300, Name: input.Name, Status: service.StatusActive}
 	return &account, nil
 }
@@ -214,7 +218,25 @@ func (s *stubAdminService) BulkUpdateAccounts(ctx context.Context, input *servic
 }
 
 func (s *stubAdminService) ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string) ([]service.Proxy, int64, error) {
-	return s.proxies, int64(len(s.proxies)), nil
+	search = strings.TrimSpace(strings.ToLower(search))
+	filtered := make([]service.Proxy, 0, len(s.proxies))
+	for _, proxy := range s.proxies {
+		if protocol != "" && proxy.Protocol != protocol {
+			continue
+		}
+		if status != "" && proxy.Status != status {
+			continue
+		}
+		if search != "" {
+			name := strings.ToLower(proxy.Name)
+			host := strings.ToLower(proxy.Host)
+			if !strings.Contains(name, search) && !strings.Contains(host, search) {
+				continue
+			}
+		}
+		filtered = append(filtered, proxy)
+	}
+	return filtered, int64(len(filtered)), nil
 }
 
 func (s *stubAdminService) ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string) ([]service.ProxyWithAccountCount, int64, error) {
@@ -235,6 +257,7 @@ func (s *stubAdminService) GetProxy(ctx context.Context, id int64) (*service.Pro
 }
 
 func (s *stubAdminService) CreateProxy(ctx context.Context, input *service.CreateProxyInput) (*service.Proxy, error) {
+	s.createdProxies = append(s.createdProxies, input)
 	proxy := service.Proxy{ID: 400, Name: input.Name, Status: service.StatusActive}
 	return &proxy, nil
 }

backend/internal/handler/admin/proxy_data.go

+package admin
+
+import (
+	"context"
+	"strings"
+	"time"
+
+	"github.com/Wei-Shaw/sub2api/internal/pkg/response"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/gin-gonic/gin"
+)
+
+// ExportData exports proxy-only data for migration.
+func (h *ProxyHandler) ExportData(c *gin.Context) {
+	ctx := c.Request.Context()
+
+	protocol := c.Query("protocol")
+	status := c.Query("status")
+	search := strings.TrimSpace(c.Query("search"))
+	if len(search) > 100 {
+		search = search[:100]
+	}
+
+	proxies, err := h.listProxiesFiltered(ctx, protocol, status, search)
+	if err != nil {
+		response.ErrorFrom(c, err)
+		return
+	}
+
+	dataProxies := make([]DataProxy, 0, len(proxies))
+	for i := range proxies {
+		p := proxies[i]
+		key := buildProxyKey(p.Protocol, p.Host, p.Port, p.Username, p.Password)
+		dataProxies = append(dataProxies, DataProxy{
+			ProxyKey: key,
+			Name:     p.Name,
+			Protocol: p.Protocol,
+			Host:     p.Host,
+			Port:     p.Port,
+			Username: p.Username,
+			Password: p.Password,
+			Status:   p.Status,
+		})
+	}
+
+	payload := DataPayload{
+		Type:       dataType,
+		Version:    dataVersion,
+		ExportedAt: time.Now().UTC().Format(time.RFC3339),
+		Proxies:    dataProxies,
+		Accounts:   []DataAccount{},
+	}
+
+	response.Success(c, payload)
+}
+
+func (h *ProxyHandler) listProxiesFiltered(ctx context.Context, protocol, status, search string) ([]service.Proxy, error) {
+	page := 1
+	pageSize := dataPageCap
+	var out []service.Proxy
+	for {
+		items, total, err := h.adminService.ListProxies(ctx, page, pageSize, protocol, status, search)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, items...)
+		if len(out) >= int(total) || len(items) == 0 {
+			break
+		}
+		page++
+	}
+	return out, nil
+}

backend/internal/handler/admin/proxy_data_handler_test.go

+package admin
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+type proxyDataResponse struct {
+	Code int         `json:"code"`
+	Data DataPayload `json:"data"`
+}
+
+func setupProxyDataRouter() (*gin.Engine, *stubAdminService) {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	adminSvc := newStubAdminService()
+
+	h := NewProxyHandler(adminSvc)
+	router.GET("/api/v1/admin/proxies/data", h.ExportData)
+
+	return router, adminSvc
+}
+
+func TestProxyExportDataRespectsFilters(t *testing.T) {
+	router, adminSvc := setupProxyDataRouter()
+
+	adminSvc.proxies = []service.Proxy{
+		{
+			ID:       1,
+			Name:     "proxy-a",
+			Protocol: "http",
+			Host:     "127.0.0.1",
+			Port:     8080,
+			Username: "user",
+			Password: "pass",
+			Status:   service.StatusActive,
+		},
+		{
+			ID:       2,
+			Name:     "proxy-b",
+			Protocol: "https",
+			Host:     "10.0.0.2",
+			Port:     443,
+			Username: "u",
+			Password: "p",
+			Status:   service.StatusDisabled,
+		},
+	}
+
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet, "/api/v1/admin/proxies/data?protocol=https", nil)
+	router.ServeHTTP(rec, req)
+	require.Equal(t, http.StatusOK, rec.Code)
+
+	var resp proxyDataResponse
+	require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &resp))
+	require.Equal(t, 0, resp.Code)
+	require.Equal(t, dataType, resp.Data.Type)
+	require.Len(t, resp.Data.Proxies, 1)
+	require.Len(t, resp.Data.Accounts, 0)
+	require.Equal(t, "https", resp.Data.Proxies[0].Protocol)
+}

backend/internal/server/routes/admin.go

@@ -219,6 +219,8 @@ func registerAccountRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 		accounts.POST("/:id/schedulable", h.Admin.Account.SetSchedulable)
 		accounts.GET("/:id/models", h.Admin.Account.GetAvailableModels)
 		accounts.POST("/batch", h.Admin.Account.BatchCreate)
+		accounts.GET("/data", h.Admin.Account.ExportData)
+		accounts.POST("/data", h.Admin.Account.ImportData)
 		accounts.POST("/batch-update-credentials", h.Admin.Account.BatchUpdateCredentials)
 		accounts.POST("/batch-refresh-tier", h.Admin.Account.BatchRefreshTier)
 		accounts.POST("/bulk-update", h.Admin.Account.BulkUpdate)
@@ -278,6 +280,7 @@ func registerProxyRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 	{
 		proxies.GET("", h.Admin.Proxy.List)
 		proxies.GET("/all", h.Admin.Proxy.GetAll)
+		proxies.GET("/data", h.Admin.Proxy.ExportData)
 		proxies.GET("/:id", h.Admin.Proxy.GetByID)
 		proxies.POST("", h.Admin.Proxy.Create)
 		proxies.PUT("/:id", h.Admin.Proxy.Update)

backend/internal/service/admin_service.go

@@ -166,6 +166,8 @@ type CreateAccountInput struct {
 	GroupIDs           []int64
 	ExpiresAt          *int64
 	AutoPauseOnExpired *bool
+	// SkipDefaultGroupBind prevents auto-binding to platform default group when GroupIDs is empty.
+	SkipDefaultGroupBind bool
 	// SkipMixedChannelCheck skips the mixed channel risk check when binding groups.
 	// This should only be set when the caller has explicitly confirmed the risk.
 	SkipMixedChannelCheck bool
@@ -1004,7 +1006,7 @@ func (s *adminServiceImpl) CreateAccount(ctx context.Context, input *CreateAccou
 	// 绑定分组
 	groupIDs := input.GroupIDs
 	// 如果没有指定分组,自动绑定对应平台的默认分组
-	if len(groupIDs) == 0 {
+	if len(groupIDs) == 0 && !input.SkipDefaultGroupBind {
 		defaultGroupName := input.Platform + "-default"
 		groups, err := s.groupRepo.ListActiveByPlatform(ctx, input.Platform)
 		if err == nil {

frontend/src/__tests__/integration/data-import.spec.ts

+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { mount } from '@vue/test-utils'
+import ImportDataModal from '@/components/admin/account/ImportDataModal.vue'
+
+const showError = vi.fn()
+const showSuccess = vi.fn()
+
+vi.mock('@/stores/app', () => ({
+  useAppStore: () => ({
+    showError,
+    showSuccess
+  })
+}))
+
+vi.mock('@/api/admin', () => ({
+  adminAPI: {
+    accounts: {
+      importData: vi.fn()
+    }
+  }
+}))
+
+vi.mock('vue-i18n', () => ({
+  useI18n: () => ({
+    t: (key: string) => key
+  })
+}))
+
+describe('ImportDataModal', () => {
+  beforeEach(() => {
+    showError.mockReset()
+    showSuccess.mockReset()
+  })
+
+  it('未选择文件时提示错误', async () => {
+    const wrapper = mount(ImportDataModal, {
+      props: { show: true },
+      global: {
+        stubs: {
+          BaseDialog: { template: '<div><slot /><slot name="footer" /></div>' }
+        }
+      }
+    })
+
+    await wrapper.find('form').trigger('submit')
+    expect(showError).toHaveBeenCalledWith('admin.accounts.dataImportSelectFile')
+  })
+
+  it('无效 JSON 时提示解析失败', async () => {
+    const wrapper = mount(ImportDataModal, {
+      props: { show: true },
+      global: {
+        stubs: {
+          BaseDialog: { template: '<div><slot /><slot name="footer" /></div>' }
+        }
+      }
+    })
+
+    const input = wrapper.find('input[type="file"]')
+    const file = new File(['invalid json'], 'data.json', { type: 'application/json' })
+    Object.defineProperty(input.element, 'files', {
+      value: [file]
+    })
+
+    await input.trigger('change')
+    await wrapper.find('form').trigger('submit')
+
+    expect(showError).toHaveBeenCalledWith('admin.accounts.dataImportParseFailed')
+  })
+})

frontend/src/api/admin/accounts.ts

@@ -13,7 +13,9 @@ import type {
   WindowStats,
   ClaudeModel,
   AccountUsageStatsResponse,
-  TempUnschedulableStatus
+  TempUnschedulableStatus,
+  AdminDataPayload,
+  AdminDataImportResult
 } from '@/types'
 
 /**
@@ -347,6 +349,44 @@ export async function syncFromCrs(params: {
   return data
 }
 
+export async function exportData(options?: {
+  ids?: number[]
+  filters?: {
+    platform?: string
+    type?: string
+    status?: string
+    search?: string
+  }
+  includeProxies?: boolean
+}): Promise<AdminDataPayload> {
+  const params: Record<string, string> = {}
+  if (options?.ids && options.ids.length > 0) {
+    params.ids = options.ids.join(',')
+  } else if (options?.filters) {
+    const { platform, type, status, search } = options.filters
+    if (platform) params.platform = platform
+    if (type) params.type = type
+    if (status) params.status = status
+    if (search) params.search = search
+  }
+  if (options?.includeProxies === false) {
+    params.include_proxies = 'false'
+  }
+  const { data } = await apiClient.get<AdminDataPayload>('/admin/accounts/data', { params })
+  return data
+}
+
+export async function importData(payload: {
+  data: AdminDataPayload
+  skip_default_group_bind?: boolean
+}): Promise<AdminDataImportResult> {
+  const { data } = await apiClient.post<AdminDataImportResult>('/admin/accounts/data', {
+    data: payload.data,
+    skip_default_group_bind: payload.skip_default_group_bind
+  })
+  return data
+}
+
 export const accountsAPI = {
   list,
   getById,
@@ -370,7 +410,9 @@ export const accountsAPI = {
   batchCreate,
   batchUpdateCredentials,
   bulkUpdate,
-  syncFromCrs
+  syncFromCrs,
+  exportData,
+  importData
 }
 
 export default accountsAPI

frontend/src/api/admin/proxies.ts

@@ -9,7 +9,8 @@ import type {
   ProxyAccountSummary,
   CreateProxyRequest,
   UpdateProxyRequest,
-  PaginatedResponse
+  PaginatedResponse,
+  AdminDataPayload
 } from '@/types'
 
 /**
@@ -208,6 +209,17 @@ export async function batchDelete(ids: number[]): Promise<{
   return data
 }
 
+export async function exportData(filters?: {
+  protocol?: string
+  status?: 'active' | 'inactive'
+  search?: string
+}): Promise<AdminDataPayload> {
+  const { data } = await apiClient.get<AdminDataPayload>('/admin/proxies/data', {
+    params: filters
+  })
+  return data
+}
+
 export const proxiesAPI = {
   list,
   getAll,
@@ -221,7 +233,8 @@ export const proxiesAPI = {
   getStats,
   getProxyAccounts,
   batchCreate,
-  batchDelete
+  batchDelete,
+  exportData
 }
 
 export default proxiesAPI

frontend/src/components/admin/account/AccountTableActions.vue

@@ -7,6 +7,7 @@
     <slot name="after"></slot>
     <button @click="$emit('sync')" class="btn btn-secondary">{{ t('admin.accounts.syncFromCrs') }}</button>
     <button @click="$emit('create')" class="btn btn-primary">{{ t('admin.accounts.createAccount') }}</button>
+    <slot name="afterCreate"></slot>
   </div>
 </template>
 

frontend/src/components/admin/account/ImportDataModal.vue

+<template>
+  <BaseDialog
+    :show="show"
+    :title="t('admin.accounts.dataImportTitle')"
+    width="normal"
+    close-on-click-outside
+    @close="handleClose"
+  >
+    <form id="import-data-form" class="space-y-4" @submit.prevent="handleImport">
+      <div class="text-sm text-gray-600 dark:text-dark-300">
+        {{ t('admin.accounts.dataImportHint') }}
+      </div>
+      <div
+        class="rounded-lg border border-amber-200 bg-amber-50 p-3 text-xs text-amber-600 dark:border-amber-800 dark:bg-amber-900/20 dark:text-amber-400"
+      >
+        {{ t('admin.accounts.dataImportWarning') }}
+      </div>
+
+      <div>
+        <label class="input-label">{{ t('admin.accounts.dataImportFile') }}</label>
+        <input
+          type="file"
+          class="input"
+          accept="application/json,.json"
+          @change="handleFileChange"
+        />
+        <p v-if="fileName" class="mt-2 text-xs text-gray-500 dark:text-dark-400">
+          {{ fileName }}
+        </p>
+      </div>
+
+      <div
+        v-if="result"
+        class="space-y-2 rounded-xl border border-gray-200 p-4 dark:border-dark-700"
+      >
+        <div class="text-sm font-medium text-gray-900 dark:text-white">
+          {{ t('admin.accounts.dataImportResult') }}
+        </div>
+        <div class="text-sm text-gray-700 dark:text-dark-300">
+          {{ t('admin.accounts.dataImportResultSummary', result) }}
+        </div>
+
+        <div v-if="errorItems.length" class="mt-2">
+          <div class="text-sm font-medium text-red-600 dark:text-red-400">
+            {{ t('admin.accounts.dataImportErrors') }}
+          </div>
+          <div
+            class="mt-2 max-h-48 overflow-auto rounded-lg bg-gray-50 p-3 font-mono text-xs dark:bg-dark-800"
+          >
+            <div v-for="(item, idx) in errorItems" :key="idx" class="whitespace-pre-wrap">
+              {{ item.kind }} {{ item.name || item.proxy_key || '-' }} — {{ item.message }}
+            </div>
+          </div>
+        </div>
+      </div>
+    </form>
+
+    <template #footer>
+      <div class="flex justify-end gap-3">
+        <button class="btn btn-secondary" type="button" :disabled="importing" @click="handleClose">
+          {{ t('common.cancel') }}
+        </button>
+        <button
+          class="btn btn-primary"
+          type="submit"
+          form="import-data-form"
+          :disabled="importing"
+        >
+          {{ importing ? t('admin.accounts.dataImporting') : t('admin.accounts.dataImportButton') }}
+        </button>
+      </div>
+    </template>
+  </BaseDialog>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { useI18n } from 'vue-i18n'
+import BaseDialog from '@/components/common/BaseDialog.vue'
+import { adminAPI } from '@/api/admin'
+import { useAppStore } from '@/stores/app'
+import type { AdminDataImportResult } from '@/types'
+
+interface Props {
+  show: boolean
+}
+
+interface Emits {
+  (e: 'close'): void
+  (e: 'imported'): void
+}
+
+const props = defineProps<Props>()
+const emit = defineEmits<Emits>()
+
+const { t } = useI18n()
+const appStore = useAppStore()
+
+const importing = ref(false)
+const file = ref<File | null>(null)
+const result = ref<AdminDataImportResult | null>(null)
+
+const fileName = computed(() => file.value?.name || '')
+
+const errorItems = computed(() => result.value?.errors || [])
+
+watch(
+  () => props.show,
+  (open) => {
+    if (open) {
+      file.value = null
+      result.value = null
+    }
+  }
+)
+
+const handleFileChange = (event: Event) => {
+  const target = event.target as HTMLInputElement
+  file.value = target.files?.[0] || null
+}
+
+const handleClose = () => {
+  if (importing.value) return
+  emit('close')
+}
+
+const handleImport = async () => {
+  if (!file.value) {
+    appStore.showError(t('admin.accounts.dataImportSelectFile'))
+    return
+  }
+
+  importing.value = true
+  try {
+    const text = await file.value.text()
+    const dataPayload = JSON.parse(text)
+
+    const res = await adminAPI.accounts.importData({
+      data: dataPayload,
+      skip_default_group_bind: true
+    })
+
+    result.value = res
+
+    const msgParams: Record<string, unknown> = {
+      account_created: res.account_created,
+      account_failed: res.account_failed,
+      proxy_created: res.proxy_created,
+      proxy_reused: res.proxy_reused,
+      proxy_failed: res.proxy_failed,
+    }
+    if (res.account_failed > 0 || res.proxy_failed > 0) {
+      appStore.showError(t('admin.accounts.dataImportCompletedWithErrors', msgParams))
+    } else {
+      appStore.showSuccess(t('admin.accounts.dataImportSuccess', msgParams))
+      emit('imported')
+    }
+  } catch (error: any) {
+    if (error instanceof SyntaxError) {
+      appStore.showError(t('admin.accounts.dataImportParseFailed'))
+    } else {
+      appStore.showError(error?.message || t('admin.accounts.dataImportFailed'))
+    }
+  } finally {
+    importing.value = false
+  }
+}
+</script>

frontend/src/components/common/ConfirmDialog.vue

@@ -2,6 +2,7 @@
   <BaseDialog :show="show" :title="title" width="narrow" @close="handleCancel">
     <div class="space-y-4">
       <p class="text-sm text-gray-600 dark:text-gray-400">{{ message }}</p>
+      <slot></slot>
     </div>
 
     <template #footer>

frontend/src/i18n/locales/en.ts

@@ -1188,6 +1188,28 @@ export default {
       refreshInterval30s: '30 seconds',
       autoRefreshCountdown: 'Auto refresh: {seconds}s',
       syncFromCrs: 'Sync from CRS',
+      dataExport: 'Export',
+      dataExportSelected: 'Export Selected',
+      dataExportIncludeProxies: 'Include proxies (unchecked = no proxy linkage on import)',
+      dataImport: 'Import',
+      dataExportConfirmMessage: 'The exported data contains sensitive account and proxy information. Store it securely.',
+      dataExportConfirm: 'Confirm Export',
+      dataExported: 'Data exported successfully',
+      dataExportFailed: 'Failed to export data',
+      dataImportTitle: 'Import Data',
+      dataImportHint: 'Upload the exported JSON file to import accounts and proxies.',
+      dataImportWarning: 'Import will create new accounts/proxies; groups must be bound manually. Ensure no conflicts in the target instance.',
+      dataImportFile: 'Data file',
+      dataImportButton: 'Start Import',
+      dataImporting: 'Importing...',
+      dataImportSelectFile: 'Please select a data file',
+      dataImportParseFailed: 'Failed to parse data file',
+      dataImportFailed: 'Data import failed',
+      dataImportResult: 'Import Result',
+      dataImportResultSummary: 'Proxies created {proxy_created}, reused {proxy_reused}, failed {proxy_failed}; Accounts created {account_created}, failed {account_failed}',
+      dataImportErrors: 'Error Details',
+      dataImportSuccess: 'Import completed: accounts {account_created}, failed {account_failed}',
+      dataImportCompletedWithErrors: 'Import completed with errors: account failed {account_failed}, proxy failed {proxy_failed}',
       syncFromCrsTitle: 'Sync Accounts from CRS',
       syncFromCrsDesc:
         'Sync accounts from claude-relay-service (CRS) into this system (CRS is called server-to-server).',
@@ -1879,6 +1901,11 @@ export default {
       createProxy: 'Create Proxy',
       editProxy: 'Edit Proxy',
       deleteProxy: 'Delete Proxy',
+      dataExport: 'Export',
+      dataExportConfirmMessage: 'The exported data contains sensitive proxy information. Store it securely.',
+      dataExportConfirm: 'Confirm Export',
+      dataExported: 'Data exported successfully',
+      dataExportFailed: 'Failed to export data',
       searchProxies: 'Search proxies...',
       allProtocols: 'All Protocols',
       allStatus: 'All Status',

frontend/src/i18n/locales/zh.ts

@@ -1273,6 +1273,28 @@ export default {
       refreshInterval30s: '30 秒',
       autoRefreshCountdown: '自动刷新：{seconds}s',
       syncFromCrs: '从 CRS 同步',
+      dataExport: '导出',
+      dataExportSelected: '导出选中',
+      dataExportIncludeProxies: '导出代理（取消后导入时不关联代理）',
+      dataImport: '导入',
+      dataExportConfirmMessage: '导出的数据包含账号与代理的敏感信息，请妥善保存。',
+      dataExportConfirm: '确认导出',
+      dataExported: '数据导出成功',
+      dataExportFailed: '数据导出失败',
+      dataImportTitle: '导入数据',
+      dataImportHint: '上传导出的 JSON 文件以批量导入账号与代理。',
+      dataImportWarning: '导入将创建新账号与代理，分组需手工绑定；请确认目标实例已有数据不会冲突。',
+      dataImportFile: '数据文件',
+      dataImportButton: '开始导入',
+      dataImporting: '导入中...',
+      dataImportSelectFile: '请选择数据文件',
+      dataImportParseFailed: '数据解析失败',
+      dataImportFailed: '数据导入失败',
+      dataImportResult: '导入结果',
+      dataImportResultSummary: '代理创建 {proxy_created}，复用 {proxy_reused}，失败 {proxy_failed}；账号创建 {account_created}，失败 {account_failed}',
+      dataImportErrors: '失败详情',
+      dataImportSuccess: '导入完成：账号 {account_created}，失败 {account_failed}',
+      dataImportCompletedWithErrors: '导入完成但有错误：账号失败 {account_failed}，代理失败 {proxy_failed}',
       syncFromCrsTitle: '从 CRS 同步账号',
       syncFromCrsDesc:
         '将 claude-relay-service（CRS）中的账号同步到当前系统（不会在浏览器侧直接请求 CRS）。',
@@ -1988,6 +2010,11 @@ export default {
       deleteProxy: '删除代理',
       deleteConfirmMessage: "确定要删除代理 '{name}' 吗？",
       testProxy: '测试代理',
+      dataExport: '导出',
+      dataExportConfirmMessage: '导出的数据包含代理的敏感信息，请妥善保存。',
+      dataExportConfirm: '确认导出',
+      dataExported: '数据导出成功',
+      dataExportFailed: '数据导出失败',
       columns: {
         name: '名称',
         protocol: '协议',

frontend/src/types/index.ts

@@ -727,6 +727,56 @@ export interface UpdateProxyRequest {
   status?: 'active' | 'inactive'
 }
 
+export interface AdminDataPayload {
+  type: string
+  version: number
+  exported_at: string
+  proxies: AdminDataProxy[]
+  accounts: AdminDataAccount[]
+}
+
+export interface AdminDataProxy {
+  proxy_key: string
+  name: string
+  protocol: ProxyProtocol
+  host: string
+  port: number
+  username?: string | null
+  password?: string | null
+  status: 'active' | 'inactive'
+}
+
+export interface AdminDataAccount {
+  name: string
+  notes?: string | null
+  platform: AccountPlatform
+  type: AccountType
+  credentials: Record<string, unknown>
+  extra?: Record<string, unknown>
+  proxy_key?: string | null
+  concurrency: number
+  priority: number
+  rate_multiplier?: number | null
+  expires_at?: number | null
+  auto_pause_on_expired?: boolean
+}
+
+export interface AdminDataImportError {
+  kind: 'proxy' | 'account'
+  name?: string
+  proxy_key?: string
+  message: string
+}
+
+export interface AdminDataImportResult {
+  proxy_created: number
+  proxy_reused: number
+  proxy_failed: number
+  account_created: number
+  account_failed: number
+  errors?: AdminDataImportError[]
+}
+
 // ==================== Usage & Redeem Types ====================
 
 export type RedeemCodeType = 'balance' | 'concurrency' | 'subscription' | 'invitation'

frontend/src/views/admin/AccountsView.vue

@@ -96,6 +96,14 @@
                 </div>
               </div>
             </template>
+            <template #afterCreate>
+              <button @click="showImportData = true" class="btn btn-secondary">
+                {{ t('admin.accounts.dataImport') }}
+              </button>
+              <button @click="openExportDataDialog" class="btn btn-secondary">
+                {{ selIds.length ? t('admin.accounts.dataExportSelected') : t('admin.accounts.dataExport') }}
+              </button>
+            </template>
           </AccountTableActions>
         </div>
       </template>
@@ -218,9 +226,16 @@
     <AccountStatsModal :show="showStats" :account="statsAcc" @close="closeStatsModal" />
     <AccountActionMenu :show="menu.show" :account="menu.acc" :position="menu.pos" @close="menu.show = false" @test="handleTest" @stats="handleViewStats" @reauth="handleReAuth" @refresh-token="handleRefresh" @reset-status="handleResetStatus" @clear-rate-limit="handleClearRateLimit" />
     <SyncFromCrsModal :show="showSync" @close="showSync = false" @synced="reload" />
+    <ImportDataModal :show="showImportData" @close="showImportData = false" @imported="handleDataImported" />
     <BulkEditAccountModal :show="showBulkEdit" :account-ids="selIds" :proxies="proxies" :groups="groups" @close="showBulkEdit = false" @updated="handleBulkUpdated" />
     <TempUnschedStatusModal :show="showTempUnsched" :account="tempUnschedAcc" @close="showTempUnsched = false" @reset="handleTempUnschedReset" />
     <ConfirmDialog :show="showDeleteDialog" :title="t('admin.accounts.deleteAccount')" :message="t('admin.accounts.deleteConfirm', { name: deletingAcc?.name })" :confirm-text="t('common.delete')" :cancel-text="t('common.cancel')" :danger="true" @confirm="confirmDelete" @cancel="showDeleteDialog = false" />
+    <ConfirmDialog :show="showExportDataDialog" :title="t('admin.accounts.dataExport')" :message="t('admin.accounts.dataExportConfirmMessage')" :confirm-text="t('admin.accounts.dataExportConfirm')" :cancel-text="t('common.cancel')" @confirm="handleExportData" @cancel="showExportDataDialog = false">
+      <label class="flex items-center gap-2 text-sm text-gray-700 dark:text-gray-300">
+        <input type="checkbox" class="h-4 w-4 rounded border-gray-300 text-primary-600 focus:ring-primary-500" v-model="includeProxyOnExport" />
+        <span>{{ t('admin.accounts.dataExportIncludeProxies') }}</span>
+      </label>
+    </ConfirmDialog>
   </AppLayout>
 </template>
 
@@ -242,6 +257,7 @@ import AccountTableActions from '@/components/admin/account/AccountTableActions.
 import AccountTableFilters from '@/components/admin/account/AccountTableFilters.vue'
 import AccountBulkActionsBar from '@/components/admin/account/AccountBulkActionsBar.vue'
 import AccountActionMenu from '@/components/admin/account/AccountActionMenu.vue'
+import ImportDataModal from '@/components/admin/account/ImportDataModal.vue'
 import ReAuthAccountModal from '@/components/admin/account/ReAuthAccountModal.vue'
 import AccountTestModal from '@/components/admin/account/AccountTestModal.vue'
 import AccountStatsModal from '@/components/admin/account/AccountStatsModal.vue'
@@ -265,6 +281,9 @@ const selIds = ref<number[]>([])
 const showCreate = ref(false)
 const showEdit = ref(false)
 const showSync = ref(false)
+const showImportData = ref(false)
+const showExportDataDialog = ref(false)
+const includeProxyOnExport = ref(true)
 const showBulkEdit = ref(false)
 const showTempUnsched = ref(false)
 const showDeleteDialog = ref(false)
@@ -279,6 +298,7 @@ const testingAcc = ref<Account | null>(null)
 const statsAcc = ref<Account | null>(null)
 const togglingSchedulable = ref<number | null>(null)
 const menu = reactive<{show:boolean, acc:Account|null, pos:{top:number, left:number}|null}>({ show: false, acc: null, pos: null })
+const exportingData = ref(false)
 
 // Column settings
 const showColumnDropdown = ref(false)
@@ -405,6 +425,8 @@ const isAnyModalOpen = computed(() => {
     showCreate.value ||
     showEdit.value ||
     showSync.value ||
+    showImportData.value ||
+    showExportDataDialog.value ||
     showBulkEdit.value ||
     showTempUnsched.value ||
     showDeleteDialog.value ||
@@ -633,6 +655,50 @@ const handleBulkToggleSchedulable = async (schedulable: boolean) => {
   }
 }
 const handleBulkUpdated = () => { showBulkEdit.value = false; selIds.value = []; reload() }
+const handleDataImported = () => { showImportData.value = false; reload() }
+const formatExportTimestamp = () => {
+  const now = new Date()
+  const pad2 = (value: number) => String(value).padStart(2, '0')
+  return `${now.getFullYear()}${pad2(now.getMonth() + 1)}${pad2(now.getDate())}${pad2(now.getHours())}${pad2(now.getMinutes())}${pad2(now.getSeconds())}`
+}
+const openExportDataDialog = () => {
+  includeProxyOnExport.value = true
+  showExportDataDialog.value = true
+}
+const handleExportData = async () => {
+  if (exportingData.value) return
+  exportingData.value = true
+  try {
+    const dataPayload = await adminAPI.accounts.exportData(
+      selIds.value.length > 0
+        ? { ids: selIds.value, includeProxies: includeProxyOnExport.value }
+        : {
+            includeProxies: includeProxyOnExport.value,
+            filters: {
+              platform: params.platform,
+              type: params.type,
+              status: params.status,
+              search: params.search
+            }
+          }
+    )
+    const timestamp = formatExportTimestamp()
+    const filename = `sub2api-account-${timestamp}.json`
+    const blob = new Blob([JSON.stringify(dataPayload, null, 2)], { type: 'application/json' })
+    const url = URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = filename
+    link.click()
+    URL.revokeObjectURL(url)
+    appStore.showSuccess(t('admin.accounts.dataExported'))
+  } catch (error: any) {
+    appStore.showError(error?.message || t('admin.accounts.dataExportFailed'))
+  } finally {
+    exportingData.value = false
+    showExportDataDialog.value = false
+  }
+}
 const closeTestModal = () => { showTest.value = false; testingAcc.value = null }
 const closeStatsModal = () => { showStats.value = false; statsAcc.value = null }
 const closeReAuthModal = () => { showReAuth.value = false; reAuthAcc.value = null }

frontend/src/views/admin/ProxiesView.vue

@@ -69,6 +69,9 @@
               <Icon name="trash" size="md" class="mr-2" />
               {{ t('admin.proxies.batchDeleteAction') }}
             </button>
+            <button @click="showExportDataDialog = true" class="btn btn-secondary">
+              {{ t('admin.proxies.dataExport') }}
+            </button>
             <button @click="showCreateModal = true" class="btn btn-primary">
               <Icon name="plus" size="md" class="mr-2" />
               {{ t('admin.proxies.createProxy') }}
@@ -606,6 +609,15 @@
       @confirm="confirmBatchDelete"
       @cancel="showBatchDeleteDialog = false"
     />
+    <ConfirmDialog
+      :show="showExportDataDialog"
+      :title="t('admin.proxies.dataExport')"
+      :message="t('admin.proxies.dataExportConfirmMessage')"
+      :confirm-text="t('admin.proxies.dataExportConfirm')"
+      :cancel-text="t('common.cancel')"
+      @confirm="handleExportData"
+      @cancel="showExportDataDialog = false"
+    />
 
     <!-- Proxy Accounts Dialog -->
     <BaseDialog
@@ -733,8 +745,10 @@ const showCreateModal = ref(false)
 const showEditModal = ref(false)
 const showDeleteDialog = ref(false)
 const showBatchDeleteDialog = ref(false)
+const showExportDataDialog = ref(false)
 const showAccountsModal = ref(false)
 const submitting = ref(false)
+const exportingData = ref(false)
 const testingProxyIds = ref<Set<number>>(new Set())
 const batchTesting = ref(false)
 const selectedProxyIds = ref<Set<number>>(new Set())
@@ -1228,6 +1242,39 @@ const handleBatchTest = async () => {
   }
 }
 
+const formatExportTimestamp = () => {
+  const now = new Date()
+  const pad2 = (value: number) => String(value).padStart(2, '0')
+  return `${now.getFullYear()}${pad2(now.getMonth() + 1)}${pad2(now.getDate())}${pad2(now.getHours())}${pad2(now.getMinutes())}${pad2(now.getSeconds())}`
+}
+
+const handleExportData = async () => {
+  if (exportingData.value) return
+  exportingData.value = true
+  try {
+    const dataPayload = await adminAPI.proxies.exportData({
+      protocol: filters.protocol || undefined,
+      status: (filters.status || undefined) as 'active' | 'inactive' | undefined,
+      search: searchQuery.value || undefined
+    })
+    const timestamp = formatExportTimestamp()
+    const filename = `sub2api-proxy-${timestamp}.json`
+    const blob = new Blob([JSON.stringify(dataPayload, null, 2)], { type: 'application/json' })
+    const url = URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = filename
+    link.click()
+    URL.revokeObjectURL(url)
+    appStore.showSuccess(t('admin.proxies.dataExported'))
+  } catch (error: any) {
+    appStore.showError(error?.message || t('admin.proxies.dataExportFailed'))
+  } finally {
+    exportingData.value = false
+    showExportDataDialog.value = false
+  }
+}
+
 const handleDelete = (proxy: Proxy) => {
   if ((proxy.account_count || 0) > 0) {
     appStore.showError(t('admin.proxies.deleteBlockedInUse'))