【修改】人脸系统获取新生列表接口优化；

Learun.Framework.Ultimate V7/Learun.Application.WebApi/Modules/Arrangelesson.cs

@@ -363,13 +363,16 @@ namespace Learun.Application.WebApi.Modules
                 return Fail("缺少参数：Grade");
             }
             string query = "{\"Grade\":\"" + grade + "\"}";
-            var list = stuInfoFreshIBLL.GetList2(query).Where(m => !string.IsNullOrEmpty(m.ExamPhoto));
+            var list = stuInfoFreshIBLL.GetList2(query);
             foreach (var item in list)
             {
-                var annexesFileEntity = annexesFileIBLL.GetEntityByFolderId(item.ExamPhoto);
-                if (annexesFileEntity != null && annexesFileEntity.F_FilePath.IndexOf("Resource") != -1)
+                if (!string.IsNullOrEmpty(item.ExamPhoto))
                 {
-                    item.ExamPhoto = webrootpath + "/" + annexesFileEntity.F_FilePath.Substring(annexesFileEntity.F_FilePath.IndexOf("Resource"));
+                    var annexesFileEntity = annexesFileIBLL.GetEntityByFolderId(item.ExamPhoto);
+                    if (annexesFileEntity != null && annexesFileEntity.F_FilePath.IndexOf("Resource") != -1)
+                    {
+                        item.ExamPhoto = webrootpath + "/" + annexesFileEntity.F_FilePath.Substring(annexesFileEntity.F_FilePath.IndexOf("Resource"));
+                    }
                 }
             }
             return Success(list.Select(m => new