diff --git a/packages/graph/src/workers/createWorker.ts b/packages/graph/src/workers/createWorker.ts
index 7647de9..37f8112 100644
--- a/packages/graph/src/workers/createWorker.ts
+++ b/packages/graph/src/workers/createWorker.ts
@@ -14,13 +14,13 @@ const createWorker = <R>(type: string) => (...data) =>
   new Promise<R>((resolve, reject) => {
       const worker = new Worker();
       worker.postMessage({
-        type,
+          _algorithmType:type,
         data,
       });
 
       worker.onmessage = (event: Event) => {
-        const { data, type } = event.data;
-        if (MESSAGE.SUCCESS === type) {
+        const { data, _algorithmType } = event.data;
+        if (MESSAGE.SUCCESS === _algorithmType) {
           resolve(data);
         } else {
           reject();
diff --git a/packages/graph/src/workers/index.worker.ts b/packages/graph/src/workers/index.worker.ts
index ea55c82..733e23f 100644
--- a/packages/graph/src/workers/index.worker.ts
+++ b/packages/graph/src/workers/index.worker.ts
@@ -9,14 +9,18 @@ interface Event {
 }
 
 ctx.onmessage = (event: Event) => {
-  const { type, data } = event.data;
-  if (typeof algorithm[type] === 'function') {
-    const result = algorithm[type](...data);
-    ctx.postMessage({ type: MESSAGE.SUCCESS, data: result });
+  const { _algorithmType, data } = event.data;
+  // 如果发送内容没有私有类型。说明不是自己发的。不管
+  // fix: https://github.com/antvis/algorithm/issues/25
+  if(!_algorithmType){
     return;
   }
-
-  ctx.postMessage({ type: MESSAGE.FAILURE });
+  if (typeof algorithm[_algorithmType] === 'function') {
+    const result = algorithm[_algorithmType](...data);
+    ctx.postMessage({ _algorithmType: MESSAGE.SUCCESS, data: result });
+    return;
+  }
+  ctx.postMessage({ _algorithmType: MESSAGE.FAILURE });
 };
 
 // https://stackoverflow.com/questions/50210416/webpack-worker-loader-fails-to-compile-typescript-worker