diff --git a/platform/src/dbms/db_manager/conndig.cpp b/platform/src/dbms/db_manager/conndig.cpp
index 0e922653..4c4c1a0c 100644
--- a/platform/src/dbms/db_manager/conndig.cpp
+++ b/platform/src/dbms/db_manager/conndig.cpp
@@ -49,7 +49,7 @@ QString ConnDig::getPasswd()
 
 void ConnDig::initUi()
 {
-    QSettings settings;
+    QSettings settings(EMS_DEFAULT_DATABASE);
     setWindowTitle(tr("连接数据库"));
 
     QPixmap pixmap(1, 40);
@@ -148,7 +148,7 @@ bool ConnDig::connectDb()
         pDbOpt->getAllDatabaseName( listDatabase );
         if(listDatabase.contains(dbName))
         {           
-            QSettings settings;
+            QSettings settings(EMS_DEFAULT_DATABASE);
             settings.setValue("login/user",user);
             settings.setValue("login/psw",pwd);
             settings.setValue("login/ip",ip);