diff --git a/src/inc/sdb.h b/src/inc/sdb.h
index a0e0a1b2f2e8815f5425a65f6f793fad4b0bc847..389aecfb7b6a3ea047251d45d853b8f3e873021d 100644
--- a/src/inc/sdb.h
+++ b/src/inc/sdb.h
@@ -105,7 +105,7 @@ extern SSdbPeer *sdbPeer[];
 
 #endif
 
-void *sdbOpenTable(int maxRows, int32_t maxRowSize, char *name, uint8_t keyType, char *directory,
+void *sdbOpenTable(int maxRows, int32_t maxRowSize, char *name, char keyType, char *directory,
                    void *(*appTool)(char, void *, char *, int, int *));
 
 void *sdbGetRow(void *handle, void *key);
diff --git a/src/sdb/inc/sdbint.h b/src/sdb/inc/sdbint.h
index c5b4f4e4aeccf6bd8664e067e7d74146e023b10b..3327c1f7317cc6483346a7a7a7259b88a69ef6f7 100644
--- a/src/sdb/inc/sdbint.h
+++ b/src/sdb/inc/sdbint.h
@@ -127,7 +127,7 @@ typedef struct {
 } SMnodeStatus;
 
 typedef struct {
-  uint8_t  dbId;
+  char     dbId;
   char     type;
   uint64_t version;
   short    dataLen;
diff --git a/src/sdb/src/sdbEngine.c b/src/sdb/src/sdbEngine.c
index a9d76122f22db00d5eeb292ea2b744e73043959a..024360501f908a1a4e9a68f789969f88c136d098 100644
--- a/src/sdb/src/sdbEngine.c
+++ b/src/sdb/src/sdbEngine.c
@@ -287,7 +287,7 @@ sdb_exit1:
   return -1;
 }
 
-void *sdbOpenTable(int maxRows, int32_t maxRowSize, char *name, uint8_t keyType, char *directory,
+void *sdbOpenTable(int maxRows, int32_t maxRowSize, char *name, char keyType, char *directory,
                    void *(*appTool)(char, void *, char *, int, int *)) {
   SSdbTable *pTable = (SSdbTable *)malloc(sizeof(SSdbTable));
   if (pTable == NULL) return NULL;
@@ -810,11 +810,10 @@ void sdbResetTable(SSdbTable *pTable) {
   SRowHead *rowHead = NULL;
   void *    pMetaRow = NULL;
   int64_t   oldId = pTable->id;
-  //TODO: check
-  //int       oldNumOfRows = pTable->numOfRows;
+  int       oldNumOfRows = pTable->numOfRows;
 
   if (sdbOpenSdbFile(pTable) < 0) return;
-  //pTable->numOfRows = oldNumOfRows;
+  pTable->numOfRows = oldNumOfRows;
 
   total_size = sizeof(SRowHead) + pTable->maxRowSize + sizeof(TSCKSUM);
   rowHead = (SRowHead *)malloc(total_size);