diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/javascript/GenerateJsUtils.java b/protocol/src/main/java/com/zfoo/protocol/serializer/javascript/GenerateJsUtils.java
index 81effbd5..dbff5c3a 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/javascript/GenerateJsUtils.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/javascript/GenerateJsUtils.java
@@ -103,10 +103,10 @@ public abstract class GenerateJsUtils {
                 importBuilder.append(StringUtils.format("import {} from './{}/{}.js';", protocolName, path, protocolName)).append(LS);
             }
 
-            initProtocolBuilder.append(TAB).append(StringUtils.format("protocols.set({}, {});", protocolId, protocolName));
+            initProtocolBuilder.append(StringUtils.format("protocols.set({}, {});", protocolId, protocolName)).append(LS);
         }
 
-        protocolManagerTemplate = StringUtils.format(protocolManagerTemplate, importBuilder.toString().trim(), initProtocolBuilder.toString().trim());
+        protocolManagerTemplate = StringUtils.format(protocolManagerTemplate, importBuilder.toString().trim(), StringUtils.EMPTY_JSON, initProtocolBuilder.toString().trim());
         FileUtils.writeStringToFile(new File(StringUtils.format("{}/{}", protocolOutputRootPath, "ProtocolManager.js")), protocolManagerTemplate);
     }
 
@@ -185,9 +185,9 @@ public abstract class GenerateJsUtils {
             var field = fields[i];
             var fieldRegistration = fieldRegistrations[i];
             if (field.isAnnotationPresent(Compatible.class)) {
-                jsBuilder.append( TAB).append("if (!buffer.isReadable()) {").append(LS);
-                jsBuilder.append( TAB + TAB).append("return packet;").append(LS);
-                jsBuilder.append( TAB).append("}").append(LS);
+                jsBuilder.append(TAB).append("if (!buffer.isReadable()) {").append(LS);
+                jsBuilder.append(TAB + TAB).append("return packet;").append(LS);
+                jsBuilder.append(TAB).append("}").append(LS);
             }
             var readObject = jsSerializer(fieldRegistration.serializer()).readObject(jsBuilder, 1, field, fieldRegistration);
             jsBuilder.append(TAB).append(StringUtils.format("packet.{} = {};", field.getName(), readObject)).append(LS);
diff --git a/protocol/src/main/resources/javascript/ProtocolManagerTemplate.js b/protocol/src/main/resources/javascript/ProtocolManagerTemplate.js
index cb1b633b..89149a01 100644
--- a/protocol/src/main/resources/javascript/ProtocolManagerTemplate.js
+++ b/protocol/src/main/resources/javascript/ProtocolManagerTemplate.js
@@ -4,6 +4,9 @@ const protocols = new Map();
 
 const ProtocolManager = {};
 
+// initProtocol
+{}
+
 ProtocolManager.getProtocol = function getProtocol(protocolId) {
     const protocol = protocols.get(protocolId);
     if (protocol === null) {
@@ -26,8 +29,4 @@ ProtocolManager.read = function read(buffer) {
     return packet;
 };
 
-ProtocolManager.initProtocol = function initProtocol() {
-    {}
-};
-
 export default ProtocolManager;
diff --git a/protocol/src/test/javascript/main.spec.js b/protocol/src/test/javascript/main.spec.js
index e4e672a1..428331a8 100644
--- a/protocol/src/test/javascript/main.spec.js
+++ b/protocol/src/test/javascript/main.spec.js
@@ -7,8 +7,6 @@ describe('jsProtocolTest', () => {
     it('complexObjectTest', () => {
         const data = fs.readFileSync('../resources/ComplexObject.bytes');
 
-        ProtocolManager.initProtocol();
-
         const arrayBytes = new Uint8Array(data.length);
         data.copy(arrayBytes, 0, 0, data.length);
 
diff --git a/protocol/src/test/javascript/zfoojs/ProtocolManager.js b/protocol/src/test/javascript/zfoojs/ProtocolManager.js
index 22ba541e..a31eafcf 100644
--- a/protocol/src/test/javascript/zfoojs/ProtocolManager.js
+++ b/protocol/src/test/javascript/zfoojs/ProtocolManager.js
@@ -6,7 +6,14 @@ import SimpleObject from './packet/SimpleObject.js';
 
 const protocols = new Map();
 
-const ProtocolManager = protocols.set(100, ComplexObject);    protocols.set(101, NormalObject);    protocols.set(102, ObjectA);    protocols.set(103, ObjectB);    protocols.set(104, SimpleObject);
+const ProtocolManager = {};
+
+// initProtocol
+protocols.set(100, ComplexObject);
+protocols.set(101, NormalObject);
+protocols.set(102, ObjectA);
+protocols.set(103, ObjectB);
+protocols.set(104, SimpleObject);
 
 ProtocolManager.getProtocol = function getProtocol(protocolId) {
     const protocol = protocols.get(protocolId);
@@ -30,8 +37,4 @@ ProtocolManager.read = function read(buffer) {
     return packet;
 };
 
-ProtocolManager.initProtocol = function initProtocol() {
-    {}
-};
-
 export default ProtocolManager;