diff --git a/helper.js b/helper.js
index 08d45a13..5f97e578 100644
--- a/helper.js
+++ b/helper.js
@@ -37,4 +37,17 @@ function copyFolderRecursiveSync(source, target) {
   }
 }
 
+function removeDistPackageJson(source) {
+  try {
+    fs.unlinkSync(source);
+    //file removed
+  } catch (err) {
+    console.error(err);
+  }
+}
+
 copyFolderRecursiveSync("./grpc-proto", "./dist");
+
+// if dist has package.json need delete it.
+// otherwise npm publish will use package.json inside dist then will missing files.
+removeDistPackageJson("./dist/package.json");
diff --git a/package.json b/package.json
index 6c5e4281..ab2595d3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@zilliz/milvus2-sdk-node",
   "author": "zizhao.chen@zilliz.com",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "main": "dist/milvus",
   "files": [
     "dist"