diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 1db2f20a426e8537759589980216227e2f984ea2..a3bc0de2722d333818829bd482a7d11a9f87fc8e 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -2551,7 +2551,7 @@ int32_t tsdbQuerySTableByTagCond(TSDB_REPO_T* tsdb, uint64_t uid, TSKEY skey, co
   } CATCH( code ) {
     CLEANUP_EXECUTE();
     terrno = code;
-    //tsdbUnlockRepoMeta(tsdb);     // unlock tsdb in any cases
+    tsdbUnlockRepoMeta(tsdb);     // unlock tsdb in any cases
 
     goto _error;
     // TODO: more error handling