diff --git a/source/server/dnode/inc/dnodeInt.h b/source/server/dnode/inc/dnodeInt.h
new file mode 100644
index 0000000000000000000000000000000000000000..b0e5a448e05c2e915e0576356ccaa5e700c5bd5a
--- /dev/null
+++ b/source/server/dnode/inc/dnodeInt.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TD_DNODE_INT_H_
+#define _TD_DNODE_INT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "taoserror.h"
+#include "taosmsg.h"
+#include "tglobal.h"
+#include "tlog.h"
+#include "trpc.h"
+#include "tstep.h"
+#include "dnode.h"
+
+struct DnCfg;
+struct DnCheck;
+struct DnEps;
+struct DnMnEps;
+struct DnStatus;
+struct DnTelem;
+struct DnTrans;
+struct DnMain;
+struct Mnode;
+struct Vnode;
+
+typedef struct Dnode {
+  struct SSteps *  steps;
+  struct DnCfg *   cfg;
+  struct DnCheck * check;
+  struct DnEps *   eps;
+  struct DnMnEps * meps;
+  struct DnStatus *status;
+  struct DnTelem * telem;
+  struct DnTrans * trans;
+  struct DnMain *  main;
+  struct Mnode *   mnode;
+  struct Vnode *   vnode;
+} Dnode;
+
+#define dFatal(...) { if (dDebugFlag & DEBUG_FATAL) { taosPrintLog("DND FATAL ", 255, __VA_ARGS__); }}
+#define dError(...) { if (dDebugFlag & DEBUG_ERROR) { taosPrintLog("DND ERROR ", 255, __VA_ARGS__); }}
+#define dWarn(...)  { if (dDebugFlag & DEBUG_WARN)  { taosPrintLog("DND WARN ", 255, __VA_ARGS__); }}
+#define dInfo(...)  { if (dDebugFlag & DEBUG_INFO)  { taosPrintLog("DND ", 255, __VA_ARGS__); }}
+#define dDebug(...) { if (dDebugFlag & DEBUG_DEBUG) { taosPrintLog("DND ", dDebugFlag, __VA_ARGS__); }}
+#define dTrace(...) { if (dDebugFlag & DEBUG_TRACE) { taosPrintLog("DND ", dDebugFlag, __VA_ARGS__); }}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_TD_DNODE_INT_H_*/
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