diff --git a/GeneratorCode/Configure/NConfig.cs b/GeneratorCode/Configure/NConfig.cs
index 33e696a..079090b 100644
--- a/GeneratorCode/Configure/NConfig.cs
+++ b/GeneratorCode/Configure/NConfig.cs
@@ -64,7 +64,14 @@ namespace GeneratorCode.Configure
             
             try
             {
-                ret = (T) Convert.ChangeType(_cfgData[segName][keyName], typeof(T));
+                string val;
+
+                
+                if (_cfgData.TryGetKey(segName + _cfgData.SectionKeySeparator + keyName, out val))
+                {
+                    ret = (T)Convert.ChangeType(val, typeof(T));
+                }
+                
             }
             catch (Exception e)
             {
diff --git a/GeneratorCode/MainCode.cs b/GeneratorCode/MainCode.cs
index 7d3e60d..8777786 100644
--- a/GeneratorCode/MainCode.cs
+++ b/GeneratorCode/MainCode.cs
@@ -4,7 +4,7 @@
 // Created          : 02-14-2019
 //
 // Last Modified By : 黄昕 <hzhuangxin01@corp.netease.com>
-// Last Modified On : 02-26-2019
+// Last Modified On : 03-04-2019
 // ***********************************************************************
 // <copyright file="MainCode.cs" company="NetEase">
 //     Copyright ©  2019
@@ -26,77 +26,77 @@ using TmatrixLibrary;
 namespace GeneratorCode
 {
     /// <summary>
-    /// Class GeneratorParams.
+    ///     Class GeneratorParams.
     /// </summary>
     [JsonObject(MemberSerialization.OptOut)]
     public class GeneratorParams
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="GeneratorParams" /> class.
+        ///     Initializes a new instance of the <see cref="GeneratorParams" /> class.
         /// </summary>
         public GeneratorParams()
         {
             dpi         = new[] {0, 0, 0, 0};
-            pointType  = new[] {0, 0, 0, 0};
-            imageType  = new[] {false, false, false, true};
+            pointType   = new[] {0, 0, 0, 0};
+            imageType   = new[] {false, false, false, true};
             startPageId = 0;
             key         = "S0,O000,B0000,P000-255,D2018/12/31;CCAFBQMXYPOAOCIRK52S8QC8SO4A0AGA8Y";
-            //filePath    = "E:\\NetEase\\轨迹笔\\Sample\\123.pdf"; //"C:\\Works\\pdf\\123.pdf";
-            filePath = "C:\\Works\\pdf\\123.pdf";
+            filePath    = "E:\\NetEase\\轨迹笔\\Sample\\123.pdf"; //"C:\\Works\\pdf\\123.pdf";
+            //filePath  = "C:\\Works\\pdf\\123.pdf";
             sessionId = "4BD5D923-47EA-4DEF-A1CD-9B85B515B191";
         }
 
         /// <summary>
-        /// Gets or sets the dpi.
+        ///     Gets or sets the dpi.
         /// </summary>
         /// <value>The dpi.</value>
         public int[] dpi { get; set; }
 
         /// <summary>
-        /// Gets or sets the file path.
+        ///     Gets or sets the file path.
         /// </summary>
         /// <value>The file path.</value>
         public string filePath { get; set; }
 
         /// <summary>
-        /// Gets or sets the type of the image.
+        ///     Gets or sets the type of the image.
         /// </summary>
         /// <value>The type of the image.</value>
         public bool[] imageType { get; set; }
 
         /// <summary>
-        /// Gets or sets the key.
+        ///     Gets or sets the key.
         /// </summary>
         /// <value>The key.</value>
         public string key { get; set; }
 
         /// <summary>
-        /// Gets or sets the type of the point.
+        ///     Gets or sets the type of the point.
         /// </summary>
         /// <value>The type of the point.</value>
         public int[] pointType { get; set; }
 
         /// <summary>
-        /// Gets or sets the session identifier.
+        ///     Gets or sets the session identifier.
         /// </summary>
         /// <value>The session identifier.</value>
         [JsonIgnore]
         public string sessionId { get; set; }
 
         /// <summary>
-        /// Gets or sets the start page identifier.
+        ///     Gets or sets the start page identifier.
         /// </summary>
         /// <value>The start page identifier.</value>
         public int startPageId { get; set; }
     }
 
     /// <summary>
-    /// Class GenerCodeRet.
+    ///     Class GenerCodeRet.
     /// </summary>
     public class GenerCodeRet
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="GenerCodeRet" /> class.
+        ///     Initializes a new instance of the <see cref="GenerCodeRet" /> class.
         /// </summary>
         /// <param name="sId">The s identifier.</param>
         /// <param name="prg">The PRG.</param>
@@ -107,35 +107,35 @@ namespace GeneratorCode
         }
 
         /// <summary>
-        /// Gets or sets the progress.
+        ///     Gets or sets the progress.
         /// </summary>
         /// <value>The progress.</value>
         public int progress { get; set; }
 
         /// <summary>
-        /// Gets or sets the session identifier.
+        ///     Gets or sets the session identifier.
         /// </summary>
         /// <value>The session identifier.</value>
         public string sessionId { get; set; }
     }
 
     /// <summary>
-    /// Class MainConfig.
+    ///     Class MainConfig.
     /// </summary>
     public class MainConfig
     {
         /// <summary>
-        /// Delegate MainCfgChangedHandle
+        ///     Delegate MainCfgChangedHandle
         /// </summary>
         public delegate void MainCfgChangedHandle();
 
         /// <summary>
-        /// The CFG lock
+        ///     The CFG lock
         /// </summary>
         private readonly object _cfgLock = new object();
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="MainConfig" /> class.
+        ///     Initializes a new instance of the <see cref="MainConfig" /> class.
         /// </summary>
         public MainConfig()
         {
@@ -144,30 +144,30 @@ namespace GeneratorCode
         }
 
         /// <summary>
-        /// Gets or sets a value indicating whether [base64 MSG content].
+        ///     Gets or sets a value indicating whether [base64 MSG content].
         /// </summary>
         /// <value><c>true</c> if [base64 MSG content]; otherwise, <c>false</c>.</value>
         public bool Base64MsgContent { get; set; }
 
         /// <summary>
-        /// Gets or sets the server addr.
+        ///     Gets or sets the server addr.
         /// </summary>
         /// <value>The server addr.</value>
         public string ServerAddr { get; set; }
 
         /// <summary>
-        /// Gets or sets the server port.
+        ///     Gets or sets the server port.
         /// </summary>
         /// <value>The server port.</value>
         public int ServerPort { get; set; }
 
         /// <summary>
-        /// Occurs when [on main CFG changed].
+        ///     Occurs when [on main CFG changed].
         /// </summary>
         public static event MainCfgChangedHandle OnMainCfgChanged;
 
         /// <summary>
-        /// Loads the configuration.
+        ///     Loads the configuration.
         /// </summary>
         public void LoadConfig()
         {
@@ -180,7 +180,7 @@ namespace GeneratorCode
         }
 
         /// <summary>
-        /// Mains the CFG changed.
+        ///     Mains the CFG changed.
         /// </summary>
         protected static void MainCfgChanged()
         {
@@ -189,17 +189,17 @@ namespace GeneratorCode
     }
 
     /// <summary>
-    /// Class MessageProcess.
+    ///     Class MessageProcess.
     /// </summary>
     public class MessageProcess
     {
         /// <summary>
-        /// The UDP
+        ///     The UDP
         /// </summary>
         private readonly UdpClient _udp = new UdpClient();
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="MessageProcess" /> class.
+        ///     Initializes a new instance of the <see cref="MessageProcess" /> class.
         /// </summary>
         /// <param name="cfg">The CFG.</param>
         public MessageProcess(MainConfig cfg)
@@ -209,13 +209,13 @@ namespace GeneratorCode
         }
 
         /// <summary>
-        /// Gets the server.
+        ///     Gets the server.
         /// </summary>
         /// <value>The server.</value>
         private IPEndPoint _server { get; }
 
         /// <summary>
-        /// Sends the message.
+        ///     Sends the message.
         /// </summary>
         /// <param name="msg">The MSG.</param>
         public void SendMessage([NotNull] string msg)
@@ -230,12 +230,12 @@ namespace GeneratorCode
     }
 
     /// <summary>
-    /// Class RspMessage.
+    ///     Class RspMessage.
     /// </summary>
     public class RspMessage
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="RspMessage" /> class.
+        ///     Initializes a new instance of the <see cref="RspMessage" /> class.
         /// </summary>
         /// <param name="sId">The s identifier.</param>
         public RspMessage(string sId)
@@ -246,7 +246,7 @@ namespace GeneratorCode
         }
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="RspMessage" /> class.
+        ///     Initializes a new instance of the <see cref="RspMessage" /> class.
         /// </summary>
         /// <param name="sId">The s identifier.</param>
         /// <param name="prg">The PRG.</param>
@@ -258,25 +258,25 @@ namespace GeneratorCode
         }
 
         /// <summary>
-        /// Gets or sets the data.
+        ///     Gets or sets the data.
         /// </summary>
         /// <value>The data.</value>
         public GenerCodeRet data { get; set; }
 
         /// <summary>
-        /// Gets or sets the error.
+        ///     Gets or sets the error.
         /// </summary>
         /// <value>The error.</value>
         public int err { get; set; }
 
         /// <summary>
-        /// Gets or sets the MSG.
+        ///     Gets or sets the MSG.
         /// </summary>
         /// <value>The MSG.</value>
         public string msg { get; set; }
 
         /// <summary>
-        /// Formats the RSP message.
+        ///     Formats the RSP message.
         /// </summary>
         /// <param name="errCode">The error code.</param>
         /// <param name="readme">The readme.</param>
@@ -289,21 +289,65 @@ namespace GeneratorCode
             rsp.err = errCode;
 
             if (enBase64)
+            {
                 rsp.msg = Convert.ToBase64String(Encoding.Default.GetBytes(readme));
+            }
             else
+            {
                 rsp.msg = readme;
+            }
 
             return JsonConvert.SerializeObject(rsp);
         }
     }
 
     /// <summary>
-    /// Class MainCode.
+    ///     Class MainCode.
     /// </summary>
     internal class MainCode
     {
         /// <summary>
-        /// Defines the entry point of the application.
+        ///     Gets the offical error code.
+        /// </summary>
+        /// <param name="err">The error.</param>
+        /// <returns>System.Int32.</returns>
+        private static int GetOfficalErrCode([NotNull] string err = "0")
+        {
+            switch (err)
+            {
+                case "0":
+                    return (int) ErrCode.ErrSuccesed;
+
+                case "1":
+                    return (int) ErrCode.ErrKeyTampered;
+
+                case "2":
+                    return (int) ErrCode.ErrKeyOldStyle;
+
+                case "3":
+                    return (int) ErrCode.ErrKeyExpired;
+
+                case "4":
+                    return (int) ErrCode.ErrFileNotExists;
+
+                case "5":
+                    return (int) ErrCode.ErrStartPage;
+
+                case "6":
+                    return (int) ErrCode.ErrPageNotEnough;
+
+                case "7":
+                    return (int) ErrCode.ErrSizeMoreThan780;
+
+                case "8":
+                    return (int) ErrCode.ErrSizeMoreThan6242;
+            }
+
+            return (int) ErrCode.ErrUnknownCode;
+        }
+
+        /// <summary>
+        ///     Defines the entry point of the application.
         /// </summary>
         /// <param name="args">The arguments.</param>
         /// <returns>System.Int32.</returns>
@@ -338,20 +382,6 @@ namespace GeneratorCode
                 NLog.NLog_Finish();
             };
 
-            //string inputArg =
-            //    "eyJkcGkiOlswLDAsMCwwXSwicG9pbnRfdHlwZSI6WzAsMCwwLDBdLCJpbWFnZV90eXBlI" +
-            //    "jpbZmFsc2UsZmFsc2UsZmFsc2UsdHJ1ZV0sImtleSI6IlMwLE8wMDAsQjAwMDAsUDAwMC0" +
-            //    "yNTUsRDIwMTgvMTIvMzE7Q0NBRkJRTVhZUE9BT0NJUks1MlM4UUM4U080QTBBR0E4WSIsIm" +
-            //    "ZpbGVQYXRoIjoiRTpcXE5ldEVhc2VcXLnsvKOxylxcU2FtcGxlXFwxMjMucGRmIiwiU3Rhcn" +
-            //    "RQYWdlSUQiOjAsInNlc3Npb25JZCI6IjRCRDVEOTIzLTQ3RUEtNERFRi1BMUNELTlCODVCNT" +
-            //    "E1QjE5MSJ9";
-            //string inputArg2 = "eyJkcGkiOlswLDAsMCwwXSwicG9pbnRfdHlwZSI6WzAsMCwwLDBdLCJpb" +
-            //                   "WFnZV90eXBlIjpbZmFsc2UsZmFsc2UsZmFsc2UsdHJ1ZV0sImtleSI6Il" +
-            //                   "MwLE8wMDAsQjAwMDAsUDAwMC0yNTUsRDIwMTgvMTIvMzE7Q0NBRkJRTVh" +
-            //                   "ZUE9BT0NJUks1MlM4UUM4U080QTBBR0E4WSIsImZpbGVQYXRoIjoiQzpc" +
-            //                   "XFdvcmtzXFxwZGZcXDEyMy5wZGYiLCJTdGFydFBhZ2VJRCI6MCwic2Vzc" +
-            //                   "2lvbklkIjoiNEJENUQ5MjMtNDdFQS00REVGLUExQ0QtOUI4NUI1MTVCMTkxIn0=";
-
             try
             {
                 if (args.Length == 1)
@@ -380,7 +410,7 @@ namespace GeneratorCode
 
                 if (inParams != null) NLog.Crash(string.Format("[{0}]: ", inParams.sessionId) + e.Message);
 
-                return -(int) ErrCode.ErrJsonDecode;
+                return (int) ErrCode.ErrJsonDecode;
             }
 
             rspMsg = new RspMessage(inParams.sessionId);
@@ -401,7 +431,7 @@ namespace GeneratorCode
             if (!File.Exists(inParams.filePath))
             {
                 NLog.Error("File Not Exists: " + inParams.filePath + Environment.NewLine);
-                return -(int) ErrCode.ErrFileNotexists;
+                return (int) ErrCode.ErrFileNotExists;
             }
 
             try
@@ -413,7 +443,7 @@ namespace GeneratorCode
                 var msg = rspMsg.FormatRspMessage(7, e.Message, 0, mainCfg.Base64MsgContent);
                 msgProcess.SendMessage(msg);
                 NLog.Crash(e.ToString());
-                return -(int) ErrCode.ErrExceptThrow;
+                return (int) ErrCode.ErrExceptThrow;
             }
 
             try
@@ -422,7 +452,9 @@ namespace GeneratorCode
                     inParams.filePath, inParams.startPageId, inParams.pointType,
                     inParams.imageType, inParams.dpi);
 
-                if (ret.Substring(0, 1) != "0")
+                var errCode = GetOfficalErrCode(ret.Substring(0, 1));
+
+                if (errCode != 0)
                 {
                     var msg = rspMsg.FormatRspMessage(int.Parse(ret.Substring(0, 1)),
                         ret.Substring(1, ret.Length - 1),
@@ -441,42 +473,87 @@ namespace GeneratorCode
                     NLog.Debug(msg + Environment.NewLine);
                     msgProcess.SendMessage(msg);
                 }
+
+                return errCode;
             }
             catch (Exception e)
             {
                 var msg = rspMsg.FormatRspMessage(8, e.Message, tmObj.GetProgerss(), mainCfg.Base64MsgContent);
                 msgProcess.SendMessage(msg);
                 NLog.Crash(e.ToString());
-                return -(int) ErrCode.ErrExceptThrow;
+                return (int) ErrCode.ErrExceptThrow;
             }
-
-            return 0;
         }
 
         /// <summary>
-        /// Enum ErrCode
+        ///     Enum ErrCode
         /// </summary>
         private enum ErrCode
         {
             /// <summary>
-            /// The error input parameters
+            ///     The error succesed
             /// </summary>
-            ErrInputParams = 1,
+            ErrSuccesed = 0,
 
             /// <summary>
-            /// The error file notexists
+            ///     The error size more than780
             /// </summary>
-            ErrFileNotexists,
+            ErrSizeMoreThan780 = 105,
 
             /// <summary>
-            /// The error except throw
+            ///     The error size more than6242
             /// </summary>
-            ErrExceptThrow,
+            ErrSizeMoreThan6242 = 106,
 
             /// <summary>
-            /// The error json decode
+            ///     The error start page
             /// </summary>
-            ErrJsonDecode
+            ErrStartPage = 110,
+
+            /// <summary>
+            ///     The error input parameters
+            /// </summary>
+            ErrInputParams = 122,
+
+            /// <summary>
+            ///     The error key tampered
+            /// </summary>
+            ErrKeyTampered = 123,
+
+            /// <summary>
+            ///     The error key old style
+            /// </summary>
+            ErrKeyOldStyle = 124,
+
+            /// <summary>
+            ///     The error key expired
+            /// </summary>
+            ErrKeyExpired = 125,
+
+            /// <summary>
+            ///     The error page not enough
+            /// </summary>
+            ErrPageNotEnough = 126,
+
+            /// <summary>
+            ///     The error file not exists
+            /// </summary>
+            ErrFileNotExists = 127,
+
+            /// <summary>
+            ///     The error except throw
+            /// </summary>
+            ErrExceptThrow = 128,
+
+            /// <summary>
+            ///     The error json decode
+            /// </summary>
+            ErrJsonDecode = 129,
+
+            /// <summary>
+            ///     The error unknown code
+            /// </summary>
+            ErrUnknownCode = 130
         }
     }
 }
\ No newline at end of file
diff --git a/GeneratorCode/TmatrixSDK/TmatrixClass.cs b/GeneratorCode/TmatrixSDK/TmatrixClass.cs
index 762ddc4..4498fea 100644
--- a/GeneratorCode/TmatrixSDK/TmatrixClass.cs
+++ b/GeneratorCode/TmatrixSDK/TmatrixClass.cs
@@ -1058,13 +1058,13 @@ namespace TmatrixLibrary
             str = TmatrixKeyCheck_OID4(KeyStr);
             if (str.Substring(0, 1) != "0") return str;
 
-            if (PDFFileName == "") return "1Please select PDF file first !";
+            if (PDFFileName == "") return "4Please select PDF file first !";
 
             if (StartPageID < int.Parse(gsPID1) || StartPageID > int.Parse(gsPID2))
-                return "2Start page ID must be located between " + gsPID1 + " ~ " + gsPID2;
+                return "5Start page ID must be located between " + gsPID1 + " ~ " + gsPID2;
             gPageNum = GetPDFPageNumber(PDFFileName);
             if (gPageNum + StartPageID - 1 > int.Parse(gsPID2))
-                return "3Not enough code page for this PDF to generate !";
+                return "6Not enough code page for this PDF to generate !";
 
             SetProgress(1);
 
@@ -1207,11 +1207,11 @@ namespace TmatrixLibrary
                         case 1:
                         case 2:
                             if (num16 <= 780 && num17 <= 780) break;
-                            return "4PDF page size's width or height > 780mm !";
+                            return "7PDF page size's width or height > 780mm !";
 
                         case 3:
                             if (num16 <= 0x1862 && num17 <= 0x1862) break;
-                            return "5PDF page size's width or height > 6242mm !";
+                            return "8PDF page size's width or height > 6242mm !";
                     }
 
                     var numArray3 = new uint[5];