diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
index 6f8e64eb5..67112d4ce 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
@@ -384,7 +384,24 @@ namespace SqlSugar
                 sql = GetSql(exp, isSingle);
                 sql = sql.Replace(itName, shortName);
             }
-            WhereInfos.Add(sql);
+            if (item.IsJoinQuery == false||isMain||isSingle|| isEasyJoin)
+            {
+                WhereInfos.Add(sql);
+            }
+            else 
+            {
+                foreach (var joinInfo in this.JoinQueryInfos)
+                {
+                    if (joinInfo.TableName.EqualCase(entityInfo.EntityName)|| joinInfo.TableName.EqualCase(entityInfo.DbTableName)) 
+                    {
+                        if (sql.StartsWith(" WHERE ")) 
+                        {
+                            sql = Regex.Replace(sql, $"^ WHERE ", " AND ");
+                        }
+                        joinInfo.JoinWhere=joinInfo.JoinWhere + sql;
+                    }
+                }
+            }
         }
 
         private string GetSql(Expression exp, bool isSingle)
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/SqlFilter.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/SqlFilter.cs
index 0c76e155f..593e31c13 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/SqlFilter.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Entities/SqlFilter.cs
@@ -27,16 +27,19 @@ namespace SqlSugar
         }
         private Expression exp { get; set; }
         private Type type { get; set; }
-        public TableFilterItem(Expression<Func<T,bool>> expression)
+        public TableFilterItem(Expression<Func<T,bool>> expression,bool isJoinOn=false)
         {
             exp = expression;
             type = typeof(T);
+            base.IsJoinQuery = isJoinOn;
+            this.IsJoinQuery = isJoinOn;
         }
 
-        public TableFilterItem(Type entityType,Expression expression)
+        public TableFilterItem(Type entityType,Expression expression, bool isJoinOn=false)
         {
             exp = expression;
             type = entityType;
+            IsJoinQuery = isJoinOn;
         }
 
         private new  string FilterName { get; set; }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj
index d18307091..26d93188b 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj
@@ -33,4 +33,8 @@
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="4.3.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Abstract\QueryableProvider\QueryableProvider\" />
+  </ItemGroup>
+
 </Project>