优化钉钉人员返回结果

TEAMModelBI/Controllers/DingDingStruc/TableDingDingInfoController.cs

@@ -1148,7 +1148,7 @@ namespace TEAMModelBI.Controllers.DingDingStruc
             public string permissions { get; set; }
             public List<string> handleRoles { get; set; }
             public List<string> handlePermissions { get; set; }
-            public List<AdvSchool> handleSchools { get; set; }
+            public List<AdvSchool> handleSchools { get; set; } = new List<AdvSchool>();
         }
 
     }