diff --git a/Src/Asp.NetCore2/MongoDbTest/OrmTest/OrmTest.cs b/Src/Asp.NetCore2/MongoDbTest/OrmTest/OrmTest.cs
index 683e3bc01..59da0d62d 100644
--- a/Src/Asp.NetCore2/MongoDbTest/OrmTest/OrmTest.cs
+++ b/Src/Asp.NetCore2/MongoDbTest/OrmTest/OrmTest.cs
@@ -1,4 +1,5 @@
 using MongoDbTest.DBHelper;
+using SqlSugar;
 using System;
 using System.Collections.Generic;
 using System.Data;
@@ -39,6 +40,10 @@ namespace MongoDbTest
 
             var list4 = db.Queryable<OrderInfo>().OrderByDescending(it=>it.Price).ToList();
 
+            var list5 = db.Queryable<OrderInfo>().OrderByDescending(it => it.Price).ToList();
+
+            var list6 = db.Queryable<OrderInfo>().OrderByDescending(it => new { it.Id,Name=it.Name }).ToList();
+
             //测试生成SQL性能
             TestSqlBuilder(db);
         }
diff --git a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbQueryBuilder.cs b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbQueryBuilder.cs
index 401a7ac49..6879f314c 100644
--- a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbQueryBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbQueryBuilder.cs
@@ -88,20 +88,27 @@ namespace SqlSugar.MongoDb
             {
                 order = order.Substring("ORDER BY ".Length).Trim();
 
-                int lastSpace = order.LastIndexOf(' ');
-                string jsonPart = order.Substring(0, lastSpace).Trim();
-                string directionPart = order.Substring(lastSpace + 1).Trim().ToUpper();
+                var sortDoc = new BsonDocument();
+                foreach (var str in order.Split(","))
+                { 
+                    int lastSpace = str.LastIndexOf(' ');
+                    string jsonPart = str.Substring(0, lastSpace).Trim();
+                    string directionPart = str.Substring(lastSpace + 1).Trim().ToUpper(); 
 
-                var bson = MongoDB.Bson.Serialization.BsonSerializer.Deserialize<BsonDocument>(jsonPart);
-                if (bson.Contains("fieldName"))
+                    var bson = MongoDB.Bson.Serialization.BsonSerializer.Deserialize<BsonDocument>(jsonPart);
+                    if (bson.Contains("fieldName"))
+                    {
+                        var field = bson["fieldName"].AsString;
+                        var direction = directionPart == "DESC" ? -1 : 1;
+                        sortDoc[field] = direction;
+                    }
+                }
+                if (sortDoc.ElementCount > 0)
                 {
-                    var field = bson["fieldName"].AsString;
-                    var direction = directionPart == "ASC" ? 1 : -1;
-                    operations.Add($"{{ \"$sort\": {{ \"{field}\": {direction} }} }}");
+                    operations.Add($"{{ \"$sort\": {sortDoc.ToJson()} }}");
                 }
             }
-            #endregion
-
+            #endregion 
             sb.Append($"aggregate {this.GetTableNameString} ");
             sb.Append("[");
             sb.Append(string.Join(", ", operations));