修复预绑定模式：Json中不包含某字段时，程序运行崩溃的问题。

FactoryTool_CShare/Views/OperationPanel.cs

@@ -854,30 +854,39 @@ namespace MOKA_Factory_Tools
                     }
                     else if (keyjson.Length > 0)
                     {
+                        #region 解决Json对象空导致的Bug.
+                        Func<JToken, string> GetJsonValue = (JsonObj) =>
+                        {
+                            if (JsonObj == null )
+                                return "";
+
+                            return JsonObj.Value<string>();
+                        };
+                        #endregion
                         JObject jObject = JObject.Parse(keyjson);
-                        keyInfo.DID.data = jObject["did"].Value<string>();
-                        keyInfo.Mac.data = jObject["mac"].Value<string>();
-                        keyInfo.HDCP.data = jObject["hdcp"].Value<string>();
-                        keyInfo.HDCP22.data = jObject["hdcp22"].Value<string>();
-                        keyInfo.WiDi.data = jObject["widi"].Value<string>();
-                        keyInfo.Widevine.data = jObject["widevine"].Value<string>();
-                        keyInfo.ESN.data = jObject["esn"].Value<string>();
-                        keyInfo.CI_plus.data = jObject["cikey"].Value<string>();
-                        keyInfo.MGK.data = jObject["mgk"].Value<string>();
-                        keyInfo.Attestation.data = jObject["attestation"].Value<string>();
-                        keyInfo.Fairplay.data = jObject["fairplay"].Value<string>();
-                        keyInfo.ECP.data = jObject["ecp"].Value<string>();
-                        keyInfo.WiFi_MAC.data = jObject["wifimac"].Value<string>();
-                        keyInfo.BT_MAC.data = jObject["btmac"].Value<string>();
-                        keyInfo.LEK.data = jObject["lek"].Value<string>();
-                        keyInfo.PEK.data = jObject["pek"].Value<string>();
-                        keyInfo.Playready.data = jObject["playready"].Value<string>();
-                        keyInfo.Hashkey.data = jObject["hash"].Value<string>();
-                        keyInfo.YouTube_KEY.data = jObject["youtubekey"].Value<string>();
-                        keyInfo.ACASKey_Data.data = jObject["acaskey_data"].Value<string>();
-                        keyInfo.ACASKey_Tool.data = jObject["acaskey_tool"].Value<string>();
-                        keyInfo.DAK.data = jObject["dak"].Value<string>();
-                        keyInfo.FVP.data = jObject["FVP"].Value<string>();
+                        keyInfo.DID.data = GetJsonValue(jObject["did"]);
+                        keyInfo.Mac.data = GetJsonValue(jObject["mac"]);
+                        keyInfo.HDCP.data = GetJsonValue(jObject["hdcp"]);
+                        keyInfo.HDCP22.data = GetJsonValue(jObject["hdcp22"]);
+                        keyInfo.WiDi.data = GetJsonValue(jObject["widi"]);
+                        keyInfo.Widevine.data = GetJsonValue(jObject["widevine"]);
+                        keyInfo.ESN.data = GetJsonValue(jObject["esn"]);
+                        keyInfo.CI_plus.data = GetJsonValue(jObject["cikey"]);
+                        keyInfo.MGK.data = GetJsonValue(jObject["mgk"]);
+                        keyInfo.Attestation.data = GetJsonValue(jObject["attestation"]);
+                        keyInfo.Fairplay.data = GetJsonValue(jObject["fairplay"]);
+                        keyInfo.ECP.data = GetJsonValue(jObject["ecp"]);
+                        keyInfo.WiFi_MAC.data = GetJsonValue(jObject["wifimac"]);
+                        keyInfo.BT_MAC.data = GetJsonValue(jObject["btmac"]);
+                        keyInfo.LEK.data = GetJsonValue(jObject["lek"]);
+                        keyInfo.PEK.data = GetJsonValue(jObject["pek"]);
+                        keyInfo.Playready.data = GetJsonValue(jObject["playready"]);
+                        keyInfo.Hashkey.data = GetJsonValue(jObject["hash"]);
+                        keyInfo.YouTube_KEY.data = GetJsonValue(jObject["youtubekey"]);
+                        keyInfo.ACASKey_Data.data = GetJsonValue(jObject["acaskey_data"]);
+                        keyInfo.ACASKey_Tool.data = GetJsonValue(jObject["acaskey_tool"]);
+                        keyInfo.DAK.data = GetJsonValue(jObject["dak"]);
+                        keyInfo.FVP.data = GetJsonValue(jObject["FVP"]);
 
                         WriteDID.Checked = (keyInfo.DID.Length > 0 && m_writedid.Text != LResource.Skip);
                         if (WriteDID.Checked)