diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 815b89b..e135af2 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -43,7 +43,7 @@ namespace DyeingComputer
             SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
             SQLiteHelpers.Open();  //打开数据库
 
-            bool result_System = SQLiteHelpers.TableExists("System");  //检查表格是否存在
+            bool result_System = SQLiteHelpers.TableExists("System");  //检查表格是否存在（存在返回true）
             bool result_IOName = SQLiteHelpers.TableExists("IOName");
             bool result_ProgramName = SQLiteHelpers.TableExists("ProgramName");
             bool result_ProgramSteps = SQLiteHelpers.TableExists("ProgramSteps");