解决链接close问题

代码/System.Common/Context/BaseContext.cs

@@ -7,7 +7,7 @@ namespace System.Common
 {
     public class BaseContext
     {
-        public static string DB_ConnectionString { get; set; }
+        public  string DB_ConnectionString { get; set; }
         public BaseContext()
         {
             Db = new SqlSugarClient(new ConnectionConfig()