diff --git a/LibManageSystem_Server/mythread.cpp b/LibManageSystem_Server/mythread.cpp
index 64e58d070de2531dfa57773d31a9849fc9925d2f..c47ca92b657714a70f58559f347d4206abc15c7b 100644
--- a/LibManageSystem_Server/mythread.cpp
+++ b/LibManageSystem_Server/mythread.cpp
@@ -584,7 +584,7 @@ void MyThread::FirstTransfer()
         cur_msg=first_transfer_header + msg_tobe_sent.sliced(0,MAX_DAT_SIZE_PER_CLOCK);
         cur_msg=HammingEncode(cur_msg);
         socket->write(cur_msg);
-        socket->waitForReadyRead(500);
+        socket->waitForReadyRead(550);
     }
 
     //更新发送进度
@@ -621,7 +621,7 @@ void MyThread::ContinueTransfer()
         sentsize+=MAX_DAT_SIZE_PER_CLOCK;
         cur_msg=HammingEncode(cur_msg);
         socket->write(cur_msg);
-        socket->waitForReadyRead(500);
+        socket->waitForReadyRead(550);
     }
 
     //更新发送进度
diff --git a/LibManagementSystem/communication_module.cpp b/LibManagementSystem/communication_module.cpp
index 3f7cca17833437118552fbaf23226bdd6309cf94..5216ab653b7ae00a25ffb42fc34e49ce46080dcd 100644
--- a/LibManagementSystem/communication_module.cpp
+++ b/LibManagementSystem/communication_module.cpp
@@ -245,43 +245,47 @@ void communication_module::processMsg()
     case 'A':
         //账号操作
         start=8;
-        if(received_msg[7]=='A'){
-            *doHostAccept=true;
-            emit msg_received();
-        }
-        else{
-            if(received_msg[7]=='R'){
-            *doHostAccept=false;
-            start=7;
-                RejectInfo=pickout(received_msg,start,stopChar);
-            emit sendfail(RejectInfo);
-            }
-            else
-                emit sendfail("错误原因:收到了无效的数据");
-        }
-        if(received_msg[6]=='2'&&*doHostAccept){
-            //登录操作,获取账号详细信息
-            tempuser.account=pickout(received_msg,start,stopChar);
-            tempuser.nickname=pickout(received_msg,start,stopChar);
-            tempuser.password=pickout(received_msg,start,stopChar);
-            tempuser.sex=pickout(received_msg,start,stopChar);
-            tempuser.telephone_number=pickout(received_msg,start,stopChar);
-            tempuser.email=pickout(received_msg,start,stopChar);
-            for(i=0;i<5;i++)
-                tempuser.borbook[i]=pickout(received_msg,start,stopChar);
-            tempuser.appointedbook=pickout(received_msg,start,stopChar);
-            for(i=0;i<5;i++)
-                tempuser.returnddl[i]=pickout(received_msg,start,stopChar);
-            tempuser.message=pickout(received_msg,start,stopChar);
-            if(start!=-1){
-                //数据接收后长度不符合预期,判定为接收失败
-                emit sendfail("错误原因:处理服务器返回的数据时出错");
+        if(received_msg[6]>='1'&&received_msg[6]<='3'){
+            if(received_msg[7]=='A'){
+                *doHostAccept=true;
+                emit msg_received();
             }
             else{
-                *user=tempuser;
-                emit msg_received();
+                if(received_msg[7]=='R'){
+                *doHostAccept=false;
+                start=7;
+                    RejectInfo=pickout(received_msg,start,stopChar);
+                emit sendfail(RejectInfo);
+                }
+                else
+                    emit sendfail("错误原因:收到了无效的数据");
+            }
+            if(received_msg[6]=='2'&&*doHostAccept){
+                //登录操作,获取账号详细信息
+                tempuser.account=pickout(received_msg,start,stopChar);
+                tempuser.nickname=pickout(received_msg,start,stopChar);
+                tempuser.password=pickout(received_msg,start,stopChar);
+                tempuser.sex=pickout(received_msg,start,stopChar);
+                tempuser.telephone_number=pickout(received_msg,start,stopChar);
+                tempuser.email=pickout(received_msg,start,stopChar);
+                for(i=0;i<5;i++)
+                    tempuser.borbook[i]=pickout(received_msg,start,stopChar);
+                tempuser.appointedbook=pickout(received_msg,start,stopChar);
+                for(i=0;i<5;i++)
+                    tempuser.returnddl[i]=pickout(received_msg,start,stopChar);
+                tempuser.message=pickout(received_msg,start,stopChar);
+                if(start!=-1){
+                    //数据接收后长度不符合预期,判定为接收失败
+                    emit sendfail("错误原因:处理服务器返回的数据时出错");
+                }
+                else{
+                    *user=tempuser;
+                    emit msg_received();
+                }
             }
         }
+        else
+            emit sendfail("错误原因:收到了无效的数据");
         break;
     case 'I':
         //获取图片操作