feat:revert some code

WebAPI/Controllers/CustomerController.cs

@@ -74,16 +74,15 @@ namespace WebAPI.Controllers
                 string input = param.Input.ToString();
                 try
                 {
-                    JObject obj_input = JObject.Parse(input.ToString());
                     using (SqlConnection Conn = new SqlConnection(connString))
                     {
                         SqlCommand cmd = new SqlCommand("", Conn)
                         {
-                            CommandText = @"select a.customer_name,a.customer_id,case when isnull(b.customer_id,'')!='' then 1 else 0 end isSelect from c_customer a
-                            left join (select request_customer_id as  customer_id from essen_customer a1 where  a1.customer_id=@customer_id) b on a.customer_id=b.customer_id
-                             where a.is_enabled=1 "
+                            CommandText = @"
+                                    select customer_name,customer_id from c_customer a
+
+                                where a.is_enabled=1 "
                         };
-                        cmd.Parameters.AddWithValue("@customer_id", obj_input["customer_id"] == null ? "" : obj_input["customer_id"].ToString());
                         DataTable dt = SqlToDt(cmd);
                         response.Msg = JsonConvert.SerializeObject(dt);
                         response.Code = "1";