diff --git a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/EntityInfoTest.cs b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/EntityInfoTest.cs
new file mode 100644
index 000000000..57ddf8c5e
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/EntityInfoTest.cs
@@ -0,0 +1,55 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Xml;
+
+namespace OrmTest
+{
+    internal class EntityInfoTest
+    {
+        public static void Init()
+        {
+            for (int i = 0; i < 100; i++)
+            {
+                var db = new SqlSugarClient(new List<ConnectionConfig>()
+            {
+             //这儿声名所有上下文都生效
+             new ConnectionConfig(){ConfigId="0",
+             ConfigureExternalServices=new ConfigureExternalServices(){
+              EntityService=(x,y)=>{ y.IsPrimarykey=true; }
+             },
+                 DbType=DbType.SqlServer,ConnectionString=Config.ConnectionString,IsAutoCloseConnection=true},
+             new ConnectionConfig(){ConfigId="1",
+               ConfigureExternalServices=new ConfigureExternalServices(){
+              EntityService=(x,y)=>{ y.IsIdentity=true; }
+             },DbType=DbType.SqlServer,ConnectionString=Config.ConnectionString,IsAutoCloseConnection=true  }
+            });
+
+                if (db.GetConnection("0").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsIdentity != false
+                    || db.GetConnection("0").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsPrimarykey != true)
+                {
+                    throw new Exception("unit error");
+                }
+
+                if (db.GetConnection("1").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsIdentity != true
+               || db.GetConnection("1").EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsPrimarykey != false)
+                {
+                    throw new Exception("unit error");
+                }
+
+                if (db.EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsIdentity != false
+                   || db.EntityMaintenance.GetEntityInfo<classTest>().Columns.First().IsPrimarykey != true)
+                {
+                    throw new Exception("unit error");
+                } 
+            }
+        }
+    }
+    public class classTest 
+    {
+        public string Id { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs
index 66d21fbac..231fe1d39 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            EntityInfoTest.Init();
             UnitOneToManyafdaa.Init();
             Unitadfafa.Init();
             AnimalTest.Init();