diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UFastest.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UFastest.cs
index 4527b3cc2..ae3496b28 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/UFastest.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UFastest.cs
@@ -18,7 +18,7 @@ namespace OrmTest
             });
 
             db.CodeFirst.InitTables<Test2>();
-
+            db.DbMaintenance.TruncateTable<Test2>();
             //用例代码
             db.Insertable(new Test2() { p = "1" }).ExecuteCommand();//用例代码
 
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UJson.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UJson.cs
index 0441ec58e..1f89b6293 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/UJson.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UJson.cs
@@ -26,6 +26,14 @@ namespace OrmTest
                  .SetColumns(it => it.Name=="a")
                  .Where(it=>it.Id==1)
                  .ExecuteCommand();
+            var list3=Db.Queryable<UnitJsonTest>().Select(it => new
+            {
+                x = it
+            }).ToList();
+            if (list3[0].x == null) 
+            {
+                throw new Exception("unit error");
+            }
         }
     }
 
diff --git a/Src/Asp.Net/SqlSugar/Infrastructure/ContextMethods.cs b/Src/Asp.Net/SqlSugar/Infrastructure/ContextMethods.cs
index 98be67fdd..219cbe93b 100644
--- a/Src/Asp.Net/SqlSugar/Infrastructure/ContextMethods.cs
+++ b/Src/Asp.Net/SqlSugar/Infrastructure/ContextMethods.cs
@@ -402,9 +402,24 @@ namespace SqlSugar
                     if (suagrColumn != null && suagrColumn.IsJson)
                     {
                         var key = (typeName + "." + name).ToLower();
-                        if (readerValues.ContainsKey(key)&& readerValues[key]!=null)
+                        if (readerValues.Any(it=>it.Key.EqualCase(key)))
+                        {
+                            var jsonString = readerValues.First(it => it.Key.EqualCase(key)).Value;
+                            if (jsonString != null)
+                            {
+                                if (jsonString.ToString().First() == '{'&& jsonString.ToString().Last() == '}')
+                                {
+                                    result.Add(name, this.DeserializeObject<Dictionary<string, object>>(jsonString + ""));
+                                }
+                                else 
+                                {
+                                    result.Add(name, this.DeserializeObject<List<Dictionary<string, object>>>(jsonString + ""));
+                                   
+                                }
+                            }
+                        }
+                        else 
                         {
-                            result.Add(name,this.DeserializeObject<List<Dictionary<string,object>>>(readerValues[key]+""));
                         }
                     }
                     else