Merge branch 'feature/1019-tenant' into develop-new

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/dto/search/StudentSearch.java

@@ -69,7 +69,7 @@ public class StudentSearch extends QueryInfo{
     private Long tenantId;
 
     @ApiModelProperty("机构小组ID")
-    private Long tenantGroupId = -1L;
+    private Long tenantGroupId;
 
     @ApiModelProperty("机构名称")
     private String tenantName;