From 3b80eb725593acf3301bd264ddfd39ab26d91676 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 30 Jul 2020 17:18:15 +0800
Subject: [PATCH] [td-225] refactor codes.

---
 src/util/src/tcache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/src/tcache.c b/src/util/src/tcache.c
index dc9128d4a9..8470eedd0e 100644
--- a/src/util/src/tcache.c
+++ b/src/util/src/tcache.c
@@ -276,7 +276,7 @@ void *taosCachePut(SCacheObj *pCacheObj, const void *key, size_t keyLen, const v
     return NULL;
   }
 
-  __cache_wr_lock(pCacheObj);
+  __cache_rd_lock(pCacheObj);
   SCacheDataNode **pt = (SCacheDataNode **)taosHashGet(pCacheObj->pHashTable, key, keyLen);
   SCacheDataNode * pOld = (pt != NULL) ? (*pt) : NULL;