diff --git a/package.json b/package.json
index 929ed18..d5abc70 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,9 @@
     "not dead",
     "not op_mini all"
   ],
-  "sideEffects": false,
+  "sideEffects": [
+    "*.less"
+  ],
   "dependencies": {
     "@arco-design/theme-line": "^0.0.3",
     "@arco-design/web-react": "^2.53.2",
@@ -52,6 +54,7 @@
     "@svgr/webpack": "^8.1.0",
     "@types/event-emitter": "^0.3.4",
     "@types/lodash.debounce": "^4.0.7",
+    "@types/node": "^20.8.9",
     "@types/react": "^17.0.67",
     "@types/react-copy-to-clipboard": "^5.0.6",
     "@types/react-dom": "^17.0.21",
diff --git a/yarn.lock b/yarn.lock
index df8477a..d1a0690 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1884,7 +1884,7 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*":
+"@types/node@*", "@types/node@^20.8.9":
   version "20.8.9"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-20.8.9.tgz#646390b4fab269abce59c308fc286dcd818a2b08"
   integrity sha512-UzykFsT3FhHb1h7yD4CA4YhBHq545JC0YnEz41xkipN88eKQtL6rSgocL5tbAP6Ola9Izm/Aw4Ora8He4x0BHg==