diff --git a/db/HGPdtToolDb/HGPdtToolDb.h b/db/HGPdtToolDb/HGPdtToolDb.h
index f7d4905..6717fcd 100644
--- a/db/HGPdtToolDb/HGPdtToolDb.h
+++ b/db/HGPdtToolDb/HGPdtToolDb.h
@@ -3,6 +3,7 @@
 
 #include "base/HGDef.h"
 #include "base/HGBaseErr.h"
+#include "HGPdtToolDbErr.h"
 
 /* 管理员账户 */
 #define HGPDTTOOLDB_USERTYPE_ROOT				1L
diff --git a/db/HGPdtToolDb/HGPdtToolDbErr.h b/db/HGPdtToolDb/HGPdtToolDbErr.h
new file mode 100644
index 0000000..93a8c44
--- /dev/null
+++ b/db/HGPdtToolDb/HGPdtToolDbErr.h
@@ -0,0 +1,15 @@
+#ifndef __HGPDTTOOLDBERR_H__
+#define __HGPDTTOOLDBERR_H__
+
+/* 一般错误 */
+#define HGPDTTOOLDB_ERR_FAIL					0x00006001L
+/* 非法的用户 */
+#define HGPDTTOOLDB_ERR_INVALID_USER			0x00006002L
+/* 错误的密码 */
+#define HGPDTTOOLDB_ERR_WRONG_PASSWORD			0x00006003L
+/* 数据库错误 */
+#define HGPDTTOOLDB_ERR_DATABASE				0x00006004L
+/* 连接错误 */
+#define HGPDTTOOLDB_ERR_CONNECT					0x00006005L
+
+#endif /* __HGPDTTOOLDBERR_H__ */
\ No newline at end of file
diff --git a/db/HGPdtToolDb/HGPdtToolDbImpl.cpp b/db/HGPdtToolDb/HGPdtToolDbImpl.cpp
index e7a1a7a..e3ba81b 100644
--- a/db/HGPdtToolDb/HGPdtToolDbImpl.cpp
+++ b/db/HGPdtToolDb/HGPdtToolDbImpl.cpp
@@ -132,7 +132,7 @@ HGResult HGPdtToolDbUserMgrImpl::Create(const HGChar* host, HGUShort port, const
 	{
 		// 连接错误
 		mysql_close(sql);
-		return HGBASE_ERR_FAIL;
+		return HGPDTTOOLDB_ERR_CONNECT;
 	}
 
 	std::string password = GetPassword(sql, userName);
@@ -140,7 +140,7 @@ HGResult HGPdtToolDbUserMgrImpl::Create(const HGChar* host, HGUShort port, const
 	{
 		// 用户不存在
 		mysql_close(sql);
-		return HGBASE_ERR_FAIL;
+		return HGPDTTOOLDB_ERR_INVALID_USER;
 	}
 
 	std::string authString = GetAuthString(sql, pwd);
@@ -148,7 +148,7 @@ HGResult HGPdtToolDbUserMgrImpl::Create(const HGChar* host, HGUShort port, const
 	{
 		// 密码不正确
 		mysql_close(sql);
-		return HGBASE_ERR_FAIL;
+		return HGPDTTOOLDB_ERR_WRONG_PASSWORD;
 	}
 
 	if (0 != CreateUserConfigTable(sql, userName) || 0 != CreateMainTestTable(sql)
@@ -259,7 +259,7 @@ HGResult HGPdtToolDbUserMgrImpl::GetUserList(HGChar** userNameList, HGUInt maxLe
 			break;
 		}
 
-		assert(NULL != row && NULL != row[0]);
+		assert(NULL != row[0]);
 		userNameList[*count] = (HGChar*)malloc(strlen(row[0]) + 1);
 		assert(NULL != userNameList[*count]);
 		strcpy(userNameList[*count], row[0]);
@@ -392,7 +392,7 @@ HGResult HGPdtToolDbUserMgrImpl::ModifyPassword(const HGChar* oldPwd, const HGCh
 	if (password != authString)
 	{
 		// 旧密码错误
-		return HGBASE_ERR_FAIL;
+		return HGPDTTOOLDB_ERR_WRONG_PASSWORD;
 	}
 
 	char sqlCmd[1024] = {0};
diff --git a/db/HGPdtToolDbTest/HGPdtToolDbTest.cpp b/db/HGPdtToolDbTest/HGPdtToolDbTest.cpp
index 3d35f94..ba04ef6 100644
--- a/db/HGPdtToolDbTest/HGPdtToolDbTest.cpp
+++ b/db/HGPdtToolDbTest/HGPdtToolDbTest.cpp
@@ -5,7 +5,7 @@
 int main()
 {
     HGPdtToolDbUserMgr userMgr = NULL;
-    HGPdtToolDb_CreateUserMgr("127.0.0.1", 3306, "huago", "123456", &userMgr);
+    HGPdtToolDb_CreateUserMgr("127.0.0.1", 3306, "root", "123456", &userMgr);
     if (NULL != userMgr)
     {
         HGChar* name[256];