feat: 优化代码，去除多余注释和修改

setting/rate_limit.go

@@ -11,24 +11,17 @@ var ModelRequestRateLimitEnabled = false
 var ModelRequestRateLimitDurationMinutes = 1
 var ModelRequestRateLimitCount = 0
 var ModelRequestRateLimitSuccessCount = 1000
+var ModelRequestRateLimitGroup map[string][2]int
 
-// ModelRequestRateLimitGroupKey 定义了模型请求按组速率限制的配置键
-const ModelRequestRateLimitGroupKey = "ModelRequestRateLimitGroup"
-
-// ModelRequestRateLimitGroupConfig 存储按用户组解析后的速率限制配置
-// map[groupName][2]int{totalCount, successCount}
-var ModelRequestRateLimitGroupConfig map[string][2]int
 var ModelRequestRateLimitGroupMutex sync.RWMutex
 
-// UpdateModelRequestRateLimitGroupConfig 解析、校验并更新内存中的用户组速率限制配置
-func UpdateModelRequestRateLimitGroupConfig(jsonStr string) error {
+func UpdateModelRequestRateLimitGroup(jsonStr string) error {
 	ModelRequestRateLimitGroupMutex.Lock()
 	defer ModelRequestRateLimitGroupMutex.Unlock()
 
 	var newConfig map[string][2]int
 	if jsonStr == "" || jsonStr == "{}" {
-		// 如果配置为空或空JSON对象，则清空内存配置
-		ModelRequestRateLimitGroupConfig = make(map[string][2]int)
+		ModelRequestRateLimitGroup = make(map[string][2]int)
 		common.SysLog("Model request rate limit group config cleared")
 		return nil
 	}
@@ -38,37 +31,19 @@ func UpdateModelRequestRateLimitGroupConfig(jsonStr string) error {
 		return fmt.Errorf("failed to unmarshal ModelRequestRateLimitGroup config: %w", err)
 	}
 
-	// 校验配置值
-	for group, limits := range newConfig {
-		if len(limits) != 2 {
-			return fmt.Errorf("invalid config for group '%s': limits array length must be 2", group)
-		}
-		if limits[1] <= 0 { // successCount must be greater than 0
-			return fmt.Errorf("invalid config for group '%s': successCount (limits[1]) must be greater than 0", group)
-		}
-		if limits[0] < 0 { // totalCount can be 0 (no limit) or positive
-			return fmt.Errorf("invalid config for group '%s': totalCount (limits[0]) cannot be negative", group)
-		}
-		if limits[0] > 0 && limits[0] < limits[1] { // If totalCount is set, it must be >= successCount
-			return fmt.Errorf("invalid config for group '%s': totalCount (limits[0]) must be greater than or equal to successCount (limits[1]) when totalCount > 0", group)
-		}
-	}
-
-	ModelRequestRateLimitGroupConfig = newConfig
-	common.SysLog("Model request rate limit group config updated")
+	ModelRequestRateLimitGroup = newConfig
 	return nil
 }
 
-// GetGroupRateLimit 安全地获取指定用户组的速率限制值
 func GetGroupRateLimit(group string) (totalCount, successCount int, found bool) {
 	ModelRequestRateLimitGroupMutex.RLock()
 	defer ModelRequestRateLimitGroupMutex.RUnlock()
 
-	if ModelRequestRateLimitGroupConfig == nil {
-		return 0, 0, false // 配置尚未初始化
+	if ModelRequestRateLimitGroup == nil {
+		return 0, 0, false
 	}
 
-	limits, found := ModelRequestRateLimitGroupConfig[group]
+	limits, found := ModelRequestRateLimitGroup[group]
 	if !found {
 		return 0, 0, false
 	}