删除股票相关功能，仅保留用户体系

backend/internal/config/config.go

@@ -10,20 +10,12 @@ import (
 	"github.com/joho/godotenv"
 )
 
-const defaultTushareToken = "76efd8465f9f2591aa42a385268e06acf6b80b7a15be2267ad2281b7"
-
 type Config struct {
 	DatabaseURL        string
 	JWTSecret          string
 	JWTExpirationHours int
 	Port               string
 	AllowedOrigins     []string
-
-	// 股票数据源
-	TushareToken     string
-	DataSyncEnabled  bool
-	DataSyncTime     string // HH:MM
-	DataSyncWeekdays bool
 }
 
 func Load() (*Config, error) {
@@ -58,28 +50,12 @@ func Load() (*Config, error) {
 		}
 	}
 
-	tushareToken := os.Getenv("TUSHARE_TOKEN")
-	if tushareToken == "" {
-		tushareToken = defaultTushareToken
-	}
-
-	dataSyncEnabled := strings.ToLower(os.Getenv("DATA_SYNC_ENABLED")) != "false"
-	dataSyncTime := os.Getenv("DATA_SYNC_TIME")
-	if dataSyncTime == "" {
-		dataSyncTime = "16:30"
-	}
-	dataSyncWeekdays := strings.ToLower(os.Getenv("DATA_SYNC_WEEKDAYS_ONLY")) != "false"
-
 	return &Config{
 		DatabaseURL:        databaseURL,
 		JWTSecret:          jwtSecret,
 		JWTExpirationHours: expHours,
 		Port:               port,
 		AllowedOrigins:     allowedOrigins,
-		TushareToken:       tushareToken,
-		DataSyncEnabled:    dataSyncEnabled,
-		DataSyncTime:       dataSyncTime,
-		DataSyncWeekdays:   dataSyncWeekdays,
 	}, nil
 }