diff --git a/DeviceActivate/NetraLib/src/Netra.cpp b/DeviceActivate/NetraLib/src/Netra.cpp
index a67282c..61b9beb 100644
--- a/DeviceActivate/NetraLib/src/Netra.cpp
+++ b/DeviceActivate/NetraLib/src/Netra.cpp
@@ -473,7 +473,7 @@ namespace QCL
 
     ReadFile::~ReadFile()
     {
-        std::lock_guard<std::mutex> lock(mtx_);
+        // std::lock_guard<std::mutex> lock(mtx_);
         Close();
     }
 
diff --git a/DeviceActivate/bin/init b/DeviceActivate/bin/init
index f5008a3..a8d35ec 100755
Binary files a/DeviceActivate/bin/init and b/DeviceActivate/bin/init differ
diff --git a/DeviceActivate/src/main.cpp b/DeviceActivate/src/main.cpp
index 197eeb3..59e3cee 100644
--- a/DeviceActivate/src/main.cpp
+++ b/DeviceActivate/src/main.cpp
@@ -70,14 +70,14 @@ bool checkUUID()
     bool flag = false;
 
     // 读取文件
-    ReadFile *rf = new ReadFile(envPath);
-    if (rf->Open() == false)
+    ReadFile rf(envPath);
+    if (rf.Open() == false)
     {
         cerr << "文件打开失败" << endl;
     }
 
     // 读取文本每一行
-    auto lines = rf->ReadLines();
+    auto lines = rf.ReadLines();
     for (auto &ii : lines)
     {
         if (ii.find("ServerPwd:null") != string::npos)
@@ -88,6 +88,8 @@ bool checkUUID()
         else
             flag = true;
     }
+
+    rf.Close();
     return flag;
 }
 
@@ -107,8 +109,33 @@ void messageCallback(mqtt::const_message_ptr msg)
     {
         // 接受UUID,保存至配置文件中,退出程序,调用设备验证程序
         auto res = nlohmann::json::parse(buffer); // 准备解析接受到的秘钥
-        auto pwd = res["Data"];
+        auto pwd = res["Data"];        
         cout << pwd << endl;
+        // 写入文件
+        ReadFile rf(envPath);
+
+        auto lines = rf.ReadLines();
+
+        for (auto &ii : lines)
+        {
+            if (ii.find("ServerPwd:null") != string::npos)
+                ii = format("ServerPwd:{}", pwd);
+        }
+        rf.Close();
+
+        thread([lines]()
+               {
+        WriteFile wf(envPath);
+        string out;
+        out.resize(1024);
+        for (size_t i = 0; i < lines.size(); ++i)
+        {
+            out += lines[i];
+            if (i + 1 < lines.size())
+                out += "\n";
+        }
+        wf.overwriteText(out); })
+            .detach();
     }
 }