diff --git a/src/Luban.Job.Cfg/Source/DataCreators/SheetDataCreator.cs b/src/Luban.Job.Cfg/Source/DataCreators/SheetDataCreator.cs
index 7d444c6..9c8ed88 100644
--- a/src/Luban.Job.Cfg/Source/DataCreators/SheetDataCreator.cs
+++ b/src/Luban.Job.Cfg/Source/DataCreators/SheetDataCreator.cs
@@ -382,7 +382,7 @@ namespace Luban.Job.Cfg.DataCreators
             }
             else if (row.Fields != null)
             {
-                throw new NotSupportedException();
+                throw new Exception($"array 不支持 子字段. 忘记将字段设为多行模式?  {row.SelfTitle.Name} => *{row.SelfTitle.Name}");
             }
             else if (row.Elements != null)
             {
@@ -410,7 +410,7 @@ namespace Luban.Job.Cfg.DataCreators
             }
             else if (row.Fields != null)
             {
-                throw new NotSupportedException();
+                throw new Exception($"list 不支持 子字段. 忘记将字段设为多行模式?  {row.SelfTitle.Name} => *{row.SelfTitle.Name}");
             }
             else if (row.Elements != null)
             {
@@ -438,7 +438,7 @@ namespace Luban.Job.Cfg.DataCreators
             }
             else if (row.Fields != null)
             {
-                throw new NotSupportedException();
+                throw new Exception($"set 不支持 子字段");
             }
             else if (row.Elements != null)
             {
diff --git a/src/Luban.Job.Cfg/Source/DataSources/Excel/ExcelDataSource.cs b/src/Luban.Job.Cfg/Source/DataSources/Excel/ExcelDataSource.cs
index eeb5ea6..62fd9ee 100644
--- a/src/Luban.Job.Cfg/Source/DataSources/Excel/ExcelDataSource.cs
+++ b/src/Luban.Job.Cfg/Source/DataSources/Excel/ExcelDataSource.cs
@@ -92,7 +92,7 @@ namespace Luban.Job.Cfg.DataSources.Excel
             //    case 0: throw new Exception($"单例表不能为空，必须包含且只包含1个记录");
             //    default: throw new Exception($"单例表必须恰好包含1个记录. 但当前记录数为:{datas.Count}");
             //}
-            throw new NotSupportedException();
+            throw new Exception($"excel不支持单例读取模式");
         }
     }
 }