diff --git a/mainProgram/NewProjectWindow.cs b/mainProgram/NewProjectWindow.cs
index 728a705..ad1dfb9 100644
--- a/mainProgram/NewProjectWindow.cs
+++ b/mainProgram/NewProjectWindow.cs
@@ -34,6 +34,15 @@ namespace mainProgram
             string projectPath = ProjectPathTextBox.Text;
             string calFilePath = CalFilePathTextBox.Text;
 
+            //当创建工程时，工程文件夹必须为空
+            DirectoryInfo dir = new DirectoryInfo(Path.GetDirectoryName(projectPath));
+            FileSystemInfo[] fileinfo = dir.GetFileSystemInfos();
+            if (fileinfo.Length != 0)
+            {
+                MessageBox.Show(this, "工程文件夹中有内容", "提示");
+                return;
+            }
+
             if (dataPath != null && dataPath.Length == 0)
             {
                 MessageBox.Show(this, "数据文件夹路径不能为空", "提示");
@@ -50,13 +59,6 @@ namespace mainProgram
                 return;
             }
 
-            //做判断：
-            DialogResult re = MessageBox.Show("删除工程路径下所有内容？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation);
-            if (re == DialogResult.Cancel)
-            {
-                return;
-            }
-
             //创建工程
             ProjectManager projectManager = new ProjectManager(projectPath);
             int value = projectManager.CreateProject(calFilePath, dataPath);
diff --git a/mainProgram/ProjectManager.cs b/mainProgram/ProjectManager.cs
index 7a4519c..b0203e6 100644
--- a/mainProgram/ProjectManager.cs
+++ b/mainProgram/ProjectManager.cs
@@ -253,7 +253,7 @@ namespace mainProgram
                 return 3;
             }
 
-            DelectDir(mProjectPath);//删除工程路径下的所有内容
+            //DelectDir(mProjectPath);//删除工程路径下的所有内容 → 应该删除此行代码，删除数据太危险
 
             CreateProjectStructure();