diff --git a/src/toolService.py b/src/toolService.py
index 86e86699384457a5b5e6e27b21c47af22f71be46..bfde658336545d9a4240b0d44d32048cdb9bc38a 100644
--- a/src/toolService.py
+++ b/src/toolService.py
@@ -40,8 +40,11 @@ class ToolService:
         """
         将内容写入文件。
         """
-        with open(filename, 'w') as f:
-            f.write(content)
+        try:
+            with open(filename, 'w') as f:
+                f.write(content)
+        except FileNotFoundError:
+            raise FileNotFoundError('The file is not exist')
 
     def mkdirs(self, path):
         """