no message

.vscode/launch.json

-{
-    // 使用 IntelliSense 了解相关属性。 
-    // 悬停以查看现有属性的描述。
-    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "type": "node",
-            "request": "launch",
-            "name": "index",
-            "program": "${workspaceRoot}/src/index.ts ",
-            "cwd": "${workspaceRoot}",
-            "outFiles": [
-                "${workspaceRoot}/build/index.js"
-            ]
-        }
-    ]
-}
\ No newline at end of file