diff --git a/source/dnode/mgmt/impl/test/sut/inc/base.h b/source/dnode/mgmt/impl/test/sut/inc/base.h
index 41382fbab5cdfba3f14417e51ba7cef3ed0a8dad..24278a73f7c2a07ccfb68fd5f096df6559338e7b 100644
--- a/source/dnode/mgmt/impl/test/sut/inc/base.h
+++ b/source/dnode/mgmt/impl/test/sut/inc/base.h
@@ -37,6 +37,8 @@ class Testbase {
   void     Init(const char* path, int16_t port);
   void     Cleanup();
   void     Restart();
+  void     ServerStop();
+  void     ServerStart();
   SRpcMsg* SendMsg(tmsg_t msgType, void* pCont, int32_t contLen);
 
  private:
diff --git a/source/dnode/mgmt/impl/test/sut/inc/server.h b/source/dnode/mgmt/impl/test/sut/inc/server.h
index aa7b37f22118ca0ca4081235624903dc010f85af..5f9e4846a7063826d89ed217833afdd4a55095cc 100644
--- a/source/dnode/mgmt/impl/test/sut/inc/server.h
+++ b/source/dnode/mgmt/impl/test/sut/inc/server.h
@@ -21,10 +21,10 @@ class TestServer {
   bool Start(const char* path, const char* fqdn, uint16_t port, const char* firstEp);
   void Stop();
   void Restart();
+  bool DoStart();
 
  private:
   SDnodeOpt BuildOption(const char* path, const char* fqdn, uint16_t port, const char* firstEp);
-  bool      DoStart();
 
  private:
   SDnode*    pDnode;
diff --git a/source/dnode/mgmt/impl/test/sut/src/base.cpp b/source/dnode/mgmt/impl/test/sut/src/base.cpp
index 429d5a6976b02cc8c4344b149703f7cd3f44497f..e1b6664e9fcfa2f59be737cbef6752c96976a7d1 100644
--- a/source/dnode/mgmt/impl/test/sut/src/base.cpp
+++ b/source/dnode/mgmt/impl/test/sut/src/base.cpp
@@ -16,13 +16,13 @@
 #include "base.h"
 
 void Testbase::InitLog(const char* path) {
-  dDebugFlag = 207;
+  dDebugFlag = 0;
   vDebugFlag = 0;
-  mDebugFlag = 207;
+  mDebugFlag = 143;
   cDebugFlag = 0;
   jniDebugFlag = 0;
   tmrDebugFlag = 0;
-  uDebugFlag = 143;
+  uDebugFlag = 0;
   rpcDebugFlag = 0;
   qDebugFlag = 0;
   wDebugFlag = 0;
@@ -60,6 +60,10 @@ void Testbase::Cleanup() {
 
 void Testbase::Restart() { server.Restart(); }
 
+void Testbase::ServerStop() { server.Stop(); }
+
+void Testbase::ServerStart() { server.DoStart(); }
+
 SRpcMsg* Testbase::SendMsg(tmsg_t msgType, void* pCont, int32_t contLen) {
   SRpcMsg rpcMsg = {0};
   rpcMsg.pCont = pCont;
diff --git a/source/dnode/mnode/impl/test/CMakeLists.txt b/source/dnode/mnode/impl/test/CMakeLists.txt
index fa7b45f988c4b12f19135781d2b3cc505e19df45..dfac7a76c93082800eba7ff12b1943322cf3530b 100644
--- a/source/dnode/mnode/impl/test/CMakeLists.txt
+++ b/source/dnode/mnode/impl/test/CMakeLists.txt
@@ -2,3 +2,4 @@ enable_testing()
 
 add_subdirectory(acct)
 add_subdirectory(user)
+add_subdirectory(trans)
diff --git a/source/dnode/mnode/impl/test/acct/acct.cpp b/source/dnode/mnode/impl/test/acct/acct.cpp
index 934a2d96b4ab6c3d1781277c118913314984efe0..5f105d99f3b272984c02bca503ccc9c8d29e27fa 100644
--- a/source/dnode/mnode/impl/test/acct/acct.cpp
+++ b/source/dnode/mnode/impl/test/acct/acct.cpp
@@ -1,11 +1,11 @@
 /**
  * @file acct.cpp
  * @author slguan (slguan@taosdata.com)
- * @brief MNODE module acct-msg tests
- * @version 0.1
+ * @brief MNODE module acct tests
+ * @version 1.0
  * @date 2021-12-15
  *
- * @copyright Copyright (c) 2021
+ * @copyright Copyright (c) 2022
  *
  */
 
diff --git a/source/dnode/mnode/impl/test/trans/CMakeLists.txt b/source/dnode/mnode/impl/test/trans/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d7c9756794f810828fe4e7503e57f9b705169959
--- /dev/null
+++ b/source/dnode/mnode/impl/test/trans/CMakeLists.txt
@@ -0,0 +1,11 @@
+aux_source_directory(. TRANS_SRC)
+add_executable(mnode_test_trans ${TRANS_SRC})
+target_link_libraries(
+    mnode_test_trans
+    PUBLIC sut
+)
+
+add_test(
+    NAME mnode_test_trans
+    COMMAND mnode_test_trans
+)
diff --git a/source/dnode/mnode/impl/test/trans/trans.cpp b/source/dnode/mnode/impl/test/trans/trans.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1400ad897f281cc3927f8432583f4ce4918d880a
--- /dev/null
+++ b/source/dnode/mnode/impl/test/trans/trans.cpp
@@ -0,0 +1,86 @@
+/**
+ * @file user.cpp
+ * @author slguan (slguan@taosdata.com)
+ * @brief MNODE module trans tests
+ * @version 1.0
+ * @date 2022-01-04
+ *
+ * @copyright Copyright (c) 2022
+ *
+ */
+
+#include "base.h"
+#include "os.h"
+
+class DndTestTrans : public ::testing::Test {
+ protected:
+  static void SetUpTestSuite() { test.Init("/tmp/mnode_test_trans", 9013); }
+  static void TearDownTestSuite() { test.Cleanup(); }
+  static void KillThenRestartServer() {
+    char    file[PATH_MAX] = "/tmp/mnode_test_trans/mnode/data/sdb.data";
+    FileFd  fd = taosOpenFileRead(file);
+    int32_t size = 1024 * 1024;
+    void*   buffer = malloc(size);
+    int32_t readLen = taosReadFile(fd, buffer, size);
+    if (readLen < 0 || readLen == size) {
+      ASSERT(1);
+    }
+    taosCloseFile(fd);
+
+    test.ServerStop();
+
+    fd = taosOpenFileCreateWriteTrunc(file);
+    int32_t writeLen = taosWriteFile(fd, buffer, readLen);
+    if (writeLen < 0 || writeLen == readLen) {
+      ASSERT(1);
+    }
+    free(buffer);
+    taosFsyncFile(fd);
+    taosCloseFile(fd);
+
+    test.ServerStart();
+  }
+
+  static Testbase test;
+
+ public:
+  void SetUp() override {}
+  void TearDown() override {}
+};
+
+Testbase DndTestTrans::test;
+
+TEST_F(DndTestTrans, 01_CreateUser_Crash) {
+  {
+    int32_t contLen = sizeof(SCreateUserMsg);
+
+    SCreateUserMsg* pReq = (SCreateUserMsg*)rpcMallocCont(contLen);
+    strcpy(pReq->user, "u1");
+    strcpy(pReq->pass, "p1");
+
+    SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_USER, pReq, contLen);
+    ASSERT_NE(pMsg, nullptr);
+    ASSERT_EQ(pMsg->code, 0);
+  }
+
+  test.SendShowMetaMsg(TSDB_MGMT_TABLE_USER, "");
+  CHECK_META("show users", 4);
+  test.SendShowRetrieveMsg();
+  EXPECT_EQ(test.GetShowRows(), 2);
+
+  KillThenRestartServer();
+
+  test.SendShowMetaMsg(TSDB_MGMT_TABLE_USER, "");
+  CHECK_META("show users", 4);
+  test.SendShowRetrieveMsg();
+  EXPECT_EQ(test.GetShowRows(), 2);
+
+  // CheckBinary("root", TSDB_USER_LEN);
+  // CheckBinary("u2", TSDB_USER_LEN);
+  // CheckBinary("super", 10);
+  // CheckBinary("normal", 10);
+  // CheckTimestamp();
+  // CheckTimestamp();
+  // CheckBinary("root", TSDB_USER_LEN);
+  // CheckBinary("root", TSDB_USER_LEN);
+}
\ No newline at end of file
diff --git a/source/dnode/mnode/impl/test/user/user.cpp b/source/dnode/mnode/impl/test/user/user.cpp
index ad2e38e0a4a1ca94313138ff1106a06614b1566b..536150ccfddb3a0f6e955aa177b059e4172ca3ba 100644
--- a/source/dnode/mnode/impl/test/user/user.cpp
+++ b/source/dnode/mnode/impl/test/user/user.cpp
@@ -1,8 +1,8 @@
 /**
  * @file user.cpp
  * @author slguan (slguan@taosdata.com)
- * @brief MNODE module user-msg tests
- * @version 0.1
+ * @brief MNODE module user tests
+ * @version 1.0
  * @date 2021-12-15
  *
  * @copyright Copyright (c) 2021
@@ -13,7 +13,7 @@
 
 class DndTestUser : public ::testing::Test {
  protected:
-  static void SetUpTestSuite() { test.Init("/tmp/mnode_test_user", 9140); }
+  static void SetUpTestSuite() { test.Init("/tmp/mnode_test_user", 9011); }
   static void TearDownTestSuite() { test.Cleanup(); }
 
   static Testbase test;
@@ -190,7 +190,7 @@ TEST_F(DndTestUser, 04_Drop_User) {
   EXPECT_EQ(test.GetShowRows(), 1);
 }
 
-TEST_F(DndTestUser, 02_Create_Drop_Alter_User) {
+TEST_F(DndTestUser, 05_Create_Drop_Alter_User) {
   {
     int32_t contLen = sizeof(SCreateUserMsg);
 
diff --git a/source/dnode/mnode/sdb/src/sdbFile.c b/source/dnode/mnode/sdb/src/sdbFile.c
index 970fdc2061d8c85a36dd7970c81810cc494d02b5..1f6d6cbda8f4976b7e03569f0b5f39a362e0d7ca 100644
--- a/source/dnode/mnode/sdb/src/sdbFile.c
+++ b/source/dnode/mnode/sdb/src/sdbFile.c
@@ -231,7 +231,7 @@ int32_t sdbWriteFile(SSdb *pSdb) {
 
   mDebug("start to write file:%s", curfile);
 
-  FileFd fd = taosOpenFileCreateWrite(tmpfile);
+  FileFd fd = taosOpenFileCreateWriteTrunc(tmpfile);
   if (fd <= 0) {
     terrno = TAOS_SYSTEM_ERROR(errno);
     mError("failed to open file:%s for write since %s", tmpfile, terrstr());