diff --git a/.gitignore b/.gitignore
index 5d497904..ce7c106c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.yarn*
 .vscode
 .theia
 node_modules
diff --git a/packages/api/src/particle.ts b/packages/api/src/particle.ts
index d2438f5d..86b8f404 100644
--- a/packages/api/src/particle.ts
+++ b/packages/api/src/particle.ts
@@ -6,6 +6,11 @@ const UUID = Java.type('java.util.UUID')
 const Math = Java.type('java.lang.Math')
 
 export namespace particle {
+    @injectable()
+    export abstract class ParticleSpawner {
+        abstract spawn(location: any, particle: Particle)
+        abstract spawnToPlayer(player: any, location: any, particle: Particle)
+    }
     /**
      * 表示一个特效对象
      *
@@ -498,10 +503,4 @@ export namespace particle {
             }
         }
     }
-
-    @injectable()
-    export abstract class ParticleSpawner {
-        abstract spawn(location: any, particle: Particle)
-        abstract spawnToPlayer(player: any, location: any, particle: Particle)
-    }
 }
diff --git a/script/sync.sh b/script/sync.sh
new file mode 100644
index 00000000..b80977f2
--- /dev/null
+++ b/script/sync.sh
@@ -0,0 +1,3 @@
+for PACKAGE in `ls packages`;do
+    echo "${PACKAGE} $(curl -s "https://registry-direct.npmmirror.com/@ccms/${PACKAGE}/sync?sync_upstream=true" -X 'PUT')"
+done