diff --git a/include/dnode/vnode/vnode.h b/include/dnode/vnode/vnode.h
index 84e57c4180..027bee709d 100644
--- a/include/dnode/vnode/vnode.h
+++ b/include/dnode/vnode/vnode.h
@@ -63,6 +63,19 @@ typedef struct SVnodeCfg {
 } SVnodeCfg;
 
 /* ------------------------ SVnode ------------------------ */
+/**
+ * @brief Initialize the vnode module
+ * 
+ * @return int 0 for success and -1 for failure
+ */
+int vnodeInit();
+
+/**
+ * @brief clear a vnode
+ * 
+ */
+void vnodeClear();
+
 /**
  * @brief Open a VNODE.
  *
diff --git a/source/dnode/vnode/impl/src/vnodeMain.c b/source/dnode/vnode/impl/src/vnodeMain.c
index 59e3bae5d7..ab33b58858 100644
--- a/source/dnode/vnode/impl/src/vnodeMain.c
+++ b/source/dnode/vnode/impl/src/vnodeMain.c
@@ -20,6 +20,19 @@ static void    vnodeFree(SVnode *pVnode);
 static int     vnodeOpenImpl(SVnode *pVnode);
 static void    vnodeCloseImpl(SVnode *pVnode);
 
+int vnodeInit() {
+  // TODO
+  if (walInit() < 0) {
+    return -1;
+  }
+
+  return 0;
+}
+
+void vnodeClear() {
+  walCleanUp();
+}
+
 SVnode *vnodeOpen(const char *path, const SVnodeCfg *pVnodeCfg) {
   SVnode *pVnode = NULL;
 
diff --git a/source/dnode/vnode/impl/test/vnodeApiTests.cpp b/source/dnode/vnode/impl/test/vnodeApiTests.cpp
index 0aa6a9edb6..3b0c059b98 100644
--- a/source/dnode/vnode/impl/test/vnodeApiTests.cpp
+++ b/source/dnode/vnode/impl/test/vnodeApiTests.cpp
@@ -4,12 +4,20 @@
 #include "vnode.h"
 
 TEST(vnodeApiTest, vnodeOpen_vnodeClose_test) {
+  GTEST_ASSERT_GE(vnodeInit(), 0);
+
   // Create and open a vnode
   SVnode *pVnode = vnodeOpen("vnode1", NULL);
   ASSERT_NE(pVnode, nullptr);
 
+  // Create table
+  // SArray *pArray = taosArrayInit()
+  // vnodeProcessWMsgs(pVnode, );
+
   // Close the vnode
   vnodeClose(pVnode);
+
+  vnodeClear();
 }
 
 TEST(vnodeApiTest, vnode_process_create_table) {