Merge pull request #493 from simonjiang99/fix/3-minutes-minimum

fix(api):enforce minimum scan interval of three minutes

api/server.go

@@ -345,8 +345,8 @@ func (s *Server) handleCreateTrader(c *gin.Context) {
 
 	// 设置扫描间隔默认值
 	scanIntervalMinutes := req.ScanIntervalMinutes
-	if scanIntervalMinutes <= 0 {
-		scanIntervalMinutes = 3 // 默认3分钟
+	if scanIntervalMinutes < 3 {
+		scanIntervalMinutes = 3 // 默认3分钟，且不允许小于3
 	}
 
 	// ✨ 查询交易所实际余额，覆盖用户输入
@@ -527,6 +527,8 @@ func (s *Server) handleUpdateTrader(c *gin.Context) {
 	scanIntervalMinutes := req.ScanIntervalMinutes
 	if scanIntervalMinutes <= 0 {
 		scanIntervalMinutes = existingTrader.ScanIntervalMinutes // 保持原值
+	} else if scanIntervalMinutes < 3 {
+		scanIntervalMinutes = 3
 	}
 
 	// 更新交易员配置