diff --git a/src/cq/src/cqMain.c b/src/cq/src/cqMain.c
index 083028a32cb1772771579219d4fe776914696fd0..5203d66d16b1e77c852227516504c513eb978758 100644
--- a/src/cq/src/cqMain.c
+++ b/src/cq/src/cqMain.c
@@ -305,9 +305,9 @@ void cqDrop(void *handle) {
     pObj->tmrId = 0;
   }
 
-  taosReleaseRef(cqObjRef, pObj->rid);
-
   pthread_mutex_unlock(&pContext->mutex);
+
+  taosReleaseRef(cqObjRef, pObj->rid);
 }
 
 static void doCreateStream(void *param, TAOS_RES *result, int32_t code) {