diff --git a/controller/relay.go b/controller/relay.go
index 18c5f1b4..3660e8be 100644
--- a/controller/relay.go
+++ b/controller/relay.go
@@ -259,10 +259,10 @@ func getChannel(c *gin.Context, group, originalModel string, retryCount int) (*m
 	}
 	channel, selectGroup, err := model.CacheGetRandomSatisfiedChannel(c, group, originalModel, retryCount)
 	if err != nil {
-		if group == "auto" {
-			return nil, types.NewError(errors.New(fmt.Sprintf("获取自动分组下模型 %s 的可用渠道失败: %s", originalModel, err.Error())), types.ErrorCodeGetChannelFailed)
-		}
-		return nil, types.NewError(errors.New(fmt.Sprintf("获取分组 %s 下模型 %s 的可用渠道失败: %s", selectGroup, originalModel, err.Error())), types.ErrorCodeGetChannelFailed)
+		return nil, types.NewError(errors.New(fmt.Sprintf("获取分组 %s 下模型 %s 的可用渠道失败（retry）: %s", selectGroup, originalModel, err.Error())), types.ErrorCodeGetChannelFailed)
+	}
+	if channel == nil {
+		return nil, types.NewError(errors.New(fmt.Sprintf("分组 %s 下模型 %s 的可用渠道不存在（数据库一致性已被破坏，retry）", selectGroup, originalModel)), types.ErrorCodeGetChannelFailed)
 	}
 	newAPIError := middleware.SetupContextForSelectedChannel(c, channel, originalModel)
 	if newAPIError != nil {
diff --git a/middleware/distributor.go b/middleware/distributor.go
index 3b04eef0..48c05209 100644
--- a/middleware/distributor.go
+++ b/middleware/distributor.go
@@ -107,7 +107,7 @@ func Distribute() func(c *gin.Context) {
 					if userGroup == "auto" {
 						showGroup = fmt.Sprintf("auto(%s)", selectGroup)
 					}
-					message := fmt.Sprintf("当前分组 %s 下对于模型 %s 无可用渠道", showGroup, modelRequest.Model)
+					message := fmt.Sprintf("获取分组 %s 下模型 %s 的可用渠道失败（distributor）: %s", showGroup, modelRequest.Model, err.Error())
 					// 如果错误，但是渠道不为空，说明是数据库一致性问题
 					if channel != nil {
 						common.SysError(fmt.Sprintf("渠道不存在：%d", channel.Id))
@@ -118,7 +118,7 @@ func Distribute() func(c *gin.Context) {
 					return
 				}
 				if channel == nil {
-					abortWithOpenAiMessage(c, http.StatusServiceUnavailable, fmt.Sprintf("当前分组 %s 下对于模型 %s 无可用渠道（数据库一致性已被破坏）", userGroup, modelRequest.Model))
+					abortWithOpenAiMessage(c, http.StatusServiceUnavailable, fmt.Sprintf("分组 %s 下模型 %s 的可用渠道不存在（数据库一致性已被破坏，distributor）", userGroup, modelRequest.Model))
 					return
 				}
 			}
diff --git a/model/channel_cache.go b/model/channel_cache.go
index b2451248..d18e9c89 100644
--- a/model/channel_cache.go
+++ b/model/channel_cache.go
@@ -109,9 +109,6 @@ func CacheGetRandomSatisfiedChannel(c *gin.Context, group string, model string,
 			return nil, group, err
 		}
 	}
-	if channel == nil {
-		return nil, group, errors.New("channel not found")
-	}
 	return channel, selectGroup, nil
 }