diff --git a/package.json b/package.json
index 691efa155..3ea624650 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,6 @@
     "rollup-plugin-postcss": "^1.6.2",
     "rollup-plugin-replace": "^2.1.0",
     "rollup-plugin-svgo": "^1.0.1",
-    "rollup-plugin-uglify": "^6.0.0",
-    "tiny-emitter": "^2.0.2"
+    "rollup-plugin-uglify": "^6.0.0"
   }
 }
diff --git a/packages/artplayer-tool-thumbnail/package.json b/packages/artplayer-tool-thumbnail/package.json
index f46186422..42afdf937 100644
--- a/packages/artplayer-tool-thumbnail/package.json
+++ b/packages/artplayer-tool-thumbnail/package.json
@@ -20,5 +20,8 @@
   "bugs": {
     "url": "https://github.com/zhw2590582/ArtPlayer/issues"
   },
-  "homepage": "https://github.com/zhw2590582/ArtPlayer#readme"
+  "homepage": "https://github.com/zhw2590582/ArtPlayer#readme",
+  "dependencies": {
+    "tiny-emitter": "^2.0.2"
+  }
 }