Updater mongodb

Src/Asp.NetCore2/MongoDbTest/UnitTest/QueryLeftJoin.cs

@@ -127,6 +127,41 @@ namespace MongoDbTest
             if (list6.Count != 4) Cases.ThrowUnitError();
             if (list6.Last().StudentName != "jack") Cases.ThrowUnitError();
             if (list6.First().StudentName != "A") Cases.ThrowUnitError();
+
+
+            var list7 = db.Queryable<Student>()
+            .LeftJoin<School>((x, y) => x.SchoolId == y.Id)
+            .OrderBy((x, y) => x.Name)
+            .Select((x, y) => new
+            {
+                StudentName = x.Name,
+                SchoolName = y.Name
+            }).ToPageList(1,2);
+            if (list7.Count != 2) Cases.ThrowUnitError();
+            if (list7.First().StudentName != "A") Cases.ThrowUnitError();
+
+            var count = 0;
+            var list8 = db.Queryable<Student>()
+            .LeftJoin<School>((x, y) => x.SchoolId == y.Id)
+            .OrderBy((x, y) => x.Name)
+            .Select((x, y) => new
+            {
+                StudentName = x.Name,
+                SchoolName = y.Name
+            }).ToPageList(1, 2,ref count);
+            if(count!=4||list8.Count!=2||list8.First().StudentName!="A") Cases.ThrowUnitError();
+
+            var count2 = 0;
+            var list9 = db.Queryable<Student>()
+            .LeftJoin<School>((x, y) => x.SchoolId == y.Id)
+            .Where(x=>x.Name!="jack")
+            .OrderBy((x, y) => x.Name)
+            .Select((x, y) => new
+            {
+                StudentName = x.Name,
+                SchoolName = y.Name
+            }).ToPageList(1, 2, ref count2);
+            if (count2 != 3 || list9.Count != 2 || list9.First().StudentName != "A") Cases.ThrowUnitError();
         }
         [SqlSugar.SugarTable("UnitStudent123131")]
         public class Student : MongoDbBase

Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbQueryBuilder.cs

@@ -266,10 +266,10 @@ namespace SqlSugar.MongoDb
 
             ProcessWhereConditions(operations); 
 
-            ProcessPagination(operations);
-
             ProcessOrderByConditions(operations); 
 
+            ProcessPagination(operations);
+
             ProcessSelectConditions(operations);
 
             ProcessGroupByConditions(operations);