diff --git a/source/libs/catalog/src/ctgCache.c b/source/libs/catalog/src/ctgCache.c
index 9aec2588e9..8ed5954cae 100644
--- a/source/libs/catalog/src/ctgCache.c
+++ b/source/libs/catalog/src/ctgCache.c
@@ -1458,7 +1458,7 @@ _return:
 }
 
 void ctgUpdateThreadFuncUnexpectedStopped(void) {
-  if (CTG_IS_LOCKED(&gCtgMgmt.lock)) CTG_UNLOCK(CTG_READ, &gCtgMgmt.lock);
+  if (CTG_IS_LOCKED(&gCtgMgmt.lock) == TD_RWLATCH_WRITE_FLAG_COPY) CTG_UNLOCK(CTG_READ, &gCtgMgmt.lock);
 }
 
 void* ctgUpdateThreadFunc(void* param) {