diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmFile.c b/source/dnode/mgmt/mgmt_vnode/src/vmFile.c
index 2d8ff5f436575c2aab5c6de53428b0f5a9af54d8..25e85227e3f0d6a2595309e7b38b23abc1d37088 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmFile.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmFile.c
@@ -160,7 +160,7 @@ int32_t vmWriteVnodeListToFile(SVnodeMgmt *pMgmt) {
   int32_t len = 0;
   int32_t maxLen = MAX_CONTENT_LEN;
   char   *content = taosMemoryCalloc(1, maxLen + 1);
-  if (content != NULL) {
+  if (content == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     ret = -1;
     goto _OVER;
@@ -184,11 +184,9 @@ int32_t vmWriteVnodeListToFile(SVnodeMgmt *pMgmt) {
   }
   len += snprintf(content + len, maxLen - len, "  ]\n");
   len += snprintf(content + len, maxLen - len, "}\n");
-
   terrno = 0;
 
 _OVER:
-
   taosWriteFile(pFile, content, len);
   taosFsyncFile(pFile);
   taosCloseFile(&pFile);