diff --git a/src/provider/linter.ts b/src/provider/linter.ts
index 7afab2d..42b4a4a 100644
--- a/src/provider/linter.ts
+++ b/src/provider/linter.ts
@@ -109,6 +109,12 @@ export async function registerLinter(context: vscode.ExtensionContext) {
       }
     }),
   );
+  context.subscriptions.push(
+    vscode.workspace.onDidCloseTextDocument((document) => {
+      // 文件关闭（删除）后清空诊断
+      collection.clear();
+    }),
+  );
   context.subscriptions.push(
     vscode.workspace.onDidChangeTextDocument((editor) => {
       if (editor) {