fix

package.json

@@ -28,7 +28,7 @@
     "source-map-support": "^0.5.20"
   },
   "peerDependencies": {
-    "koishi": "^4.0.0-alpha.10"
+    "koishi": "^4.0.0-alpha.12"
   },
   "devDependencies": {
     "@types/lodash": "^4.14.175",