diff --git a/cmd/report_server/main.go b/cmd/report_server/main.go
index da5a4a2..cfad9d6 100644
--- a/cmd/report_server/main.go
+++ b/cmd/report_server/main.go
@@ -73,7 +73,7 @@ func main() {
 			}
 		}
 	}()
-	go sinker.ClearDimsCacheByTime(time.Minute * 30)
+	go sinker.ClearDimsCacheByTimeBylocal(time.Second * 20)
 
 	router := fasthttprouter.New()
 
diff --git a/platform-basic-libs/sinker/clickhouse.go b/platform-basic-libs/sinker/clickhouse.go
index 0a727f1..52a3e83 100644
--- a/platform-basic-libs/sinker/clickhouse.go
+++ b/platform-basic-libs/sinker/clickhouse.go
@@ -54,6 +54,19 @@ func ClearDimsCacheByTime(clearTime time.Duration){
 	}
 }
 
+func ClearDimsCacheByTimeBylocal(clearTime time.Duration){
+
+	for{
+		time.Sleep(clearTime)
+		dimsCacheMap.Range(func(key, value interface{}) bool {
+			ClearDimsCacheByRedis(key.(string))
+			dimsCacheMap.Delete(key)
+			return true
+		})
+
+	}
+}
+
 func ClearDimsCacheByRedis(key string){
 	redisConn := db.RedisPool.Get()
 	defer redisConn.Close()