diff --git a/handler/im.go b/handler/im.go
index a16f941..d9e7be5 100644
--- a/handler/im.go
+++ b/handler/im.go
@@ -53,7 +53,7 @@ func GetImKey(c *gin.Context) {
 		} else {
 			redis_key = strconv.Itoa(req.To_user_id) + "_" + strconv.Itoa(id1) + "_imKey"
 		}
-		if worker.IsContainKey(redis_key) == true {
+		if worker.IsContainKey(redis_key+"_connection") == true {
 			res := worker.GetRedis(redis_key)
 			var retrievedData map[string]interface{}
 			err2 := json.Unmarshal([]byte(res), &retrievedData)