diff --git a/source/dnode/mgmt/node_mgmt/inc/dmMgmt.h b/source/dnode/mgmt/node_mgmt/inc/dmMgmt.h
index 6bb6310957..0f50030bd3 100644
--- a/source/dnode/mgmt/node_mgmt/inc/dmMgmt.h
+++ b/source/dnode/mgmt/node_mgmt/inc/dmMgmt.h
@@ -70,6 +70,7 @@ typedef struct SUdfdData {
   int32_t      dnodeId;
 } SUdfdData;
 
+#ifndef TD_MODULE_OPTIMIZE
 typedef struct SDnode {
   int8_t        once;
   bool          stop;
@@ -83,6 +84,21 @@ typedef struct SDnode {
   SMgmtWrapper  wrappers[NODE_END];
   SDnodeTrans   trans;
 } SDnode;
+#else
+typedef struct SDnode {
+  int8_t        once;
+  bool          stop;
+  EDndRunStatus status;
+  SStartupInfo  startup;
+  SDnodeTrans   trans;
+  SUdfdData     udfdData;
+  TdThreadMutex mutex;
+  TdFilePtr     lockfile;
+  SDnodeData    data;
+  STfs         *pTfs;
+  SMgmtWrapper  wrappers[NODE_END];
+} SDnode;
+#endif
 
 // dmEnv.c
 SDnode *dmInstance();