diff --git a/protoDebuger/ProtoDebug.qml b/protoDebuger/ProtoDebug.qml
index b38ec5f..4a90d3f 100644
--- a/protoDebuger/ProtoDebug.qml
+++ b/protoDebuger/ProtoDebug.qml
@@ -85,7 +85,7 @@ Item {
                     id: lua_script
                     focus: true
                     text: lua_script_text
-                    font.pixelSize: 15
+                    font.pixelSize: 20
                     color: "red"
                     selectByMouse : true
                     wrapMode: TextEdit.Wrap
@@ -97,7 +97,7 @@ Item {
                 id: text_output
                 Layout.preferredHeight: parent.height - 100
                 text: qsTr("")
-                font.pixelSize: 17
+                font.pixelSize: 20
                 Layout.columnSpan: 1
                 Layout.preferredWidth: parent.width/2 - 20
                 background: Rectangle {
diff --git a/protoDebuger/lua_wraper.cpp b/protoDebuger/lua_wraper.cpp
index 57775d4..cca0701 100644
--- a/protoDebuger/lua_wraper.cpp
+++ b/protoDebuger/lua_wraper.cpp
@@ -15,7 +15,6 @@ int LuaDelegate::DoString(QString scr)
             return -1;
         }
     }
-
     return 0;
 }
 
diff --git a/protoDebuger/sharedata.cpp b/protoDebuger/sharedata.cpp
index 6794655..0a7997f 100644
--- a/protoDebuger/sharedata.cpp
+++ b/protoDebuger/sharedata.cpp
@@ -79,7 +79,6 @@ int ShareData::openUart(QString port, QString baudRate, QString dataBits, QStrin
     return -1;
 }
 
-
 int ShareData::closeSerial()
 {
     if(mSerialController->CloseSerial() == 0){
@@ -115,6 +114,7 @@ int ShareData::updateLuaScript(QString str)
         return -1;
     }
     mLuaStatus = true;
+    return 0;
 }
 
 int ShareData::saveLuaScript(QString s)
@@ -124,7 +124,7 @@ int ShareData::saveLuaScript(QString s)
     {
         //-----将数据写入文件
         qint64 LineLen = file.write(s.toStdString().c_str(), s.size());
-        if (LineLen > 0)
+        if (LineLen <= 0)
         {
             return -1;
         }