From 515de1184f53bd9a8dd76a4018dcfec890d17588 Mon Sep 17 00:00:00 2001
From: heavyrain lee <heavyrain.lee@gmail.com>
Date: Sun, 2 Jun 2019 09:33:24 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E5=8A=A8=E6=95=B0=E6=8D=AE=E5=BA=93?=
 =?UTF-8?q?=E7=9A=84=E4=BD=8D=E7=BD=AE?=
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---
 mars/proto/src/DB2.cc | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/mars/proto/src/DB2.cc b/mars/proto/src/DB2.cc
index 6dd3db1af..8825f221a 100644
--- a/mars/proto/src/DB2.cc
+++ b/mars/proto/src/DB2.cc
@@ -261,14 +261,17 @@ namespace mars {
         void DB2::Open(const std::string &sec) {
             secret = sec;
             
-            std::string path = app::GetAppFilePath();
+            std::string path = app::GetAppFilePath() + "/" + app::GetDeviceInfo().clientid;
+            std::string DB2Path = path + "/" + DB2_NAME;
             if(!boost::filesystem::exists(path)) {
                 boost::filesystem::create_directories(path);
+                std::string oldDB = app::GetAppFilePath() + "/" + DB2_NAME;
+                if (boost::filesystem::exists(oldDB)) {
+                    boost::filesystem::copy(oldDB, DB2Path);
+                    boost::filesystem::remove(oldDB);
+                }
             }
             
-            
-            std::string DB2Path = path + "/" + DB2_NAME;
-            
             xerror2("open db %s",DB2Path.c_str());
             
             closeDB();