修复一个resid Cache错误

WebSiteCode/Cmdjy/Cmdjy/Bll/Cache.cs

@@ -90,10 +90,12 @@ namespace Cmdjy.Bll
         }
 
         private static string toJson(object value) {
+            if(value == null) return null;
             return JsonConvert.SerializeObject(value);
         }
 
-        private static T fromJson<T>(string value) {
+        private static T fromJson<T>(string value) where T : class {
+            if(value == null) return null;
             return JsonConvert.DeserializeObject<T>(value);
         }
     }

WebSiteCode/Cmdjy/Cmdjy/Web.config

@@ -17,7 +17,7 @@
     <add key="AutoMigrations" value="true" />
 
     <!--Redis服务器连接字符串,localhost:13919,password=123-->
-    <add key="RedisConnectionString" value="" />
+    <add key="RedisConnectionString" value="127.0.0.1:7001,password=123654" />
 
     <!--万仕达接口一次最大传送处方数-->
     <add key="wsd:maxCount" value="50" />