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 3f33a17b..f53b7375 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
@@ -124,7 +124,7 @@ public abstract class GenerateJsUtils {
         var readObject = readObject(registration);
 
         protocolTemplate = StringUtils.format(protocolTemplate, classNote, protocolClazzName
-                , fieldDefinition.trim(), protocolClazzName, protocolId, protocolClazzName
+                , fieldDefinition.trim(), protocolClazzName, protocolId, protocolClazzName, protocolClazzName, protocolClazzName
                 , writeObject.trim(), protocolClazzName, protocolClazzName, readObject.trim(), protocolClazzName);
         var outputPath = StringUtils.format("{}/{}/{}.js", protocolOutputPath, GenerateProtocolPath.getProtocolPath(protocolId), protocolClazzName);
         var file = new File(outputPath);
@@ -144,7 +144,7 @@ public abstract class GenerateJsUtils {
             var fieldName = field.getName();
             // 生成注释
             var fieldNotes = GenerateProtocolNote.fieldNotes(protocolId, fieldName, CodeLanguage.JavaScript);
-            for(var fieldNote : fieldNotes) {
+            for (var fieldNote : fieldNotes) {
                 fieldDefinitionBuilder.append(TAB).append(fieldNote).append(LS);
             }
             var triple = jsSerializer(fieldRegistration.serializer()).field(field, fieldRegistration);
diff --git a/protocol/src/main/resources/javascript/ProtocolTemplate.js b/protocol/src/main/resources/javascript/ProtocolTemplate.js
index 14af85df..efa11f9d 100644
--- a/protocol/src/main/resources/javascript/ProtocolTemplate.js
+++ b/protocol/src/main/resources/javascript/ProtocolTemplate.js
@@ -3,8 +3,10 @@ const {} = function() {
     {}
 };
 
+{}.PROTOCOL_ID = {};
+
 {}.prototype.protocolId = function() {
-    return {};
+    return {}.PROTOCOL_ID;
 };
 
 {}.write = function(buffer, packet) {
diff --git a/protocol/src/test/javascript/zfoojs/buffer/ByteBuffer.js b/protocol/src/test/javascript/zfoojs/buffer/ByteBuffer.js
index bcc684d6..834344ce 100644
--- a/protocol/src/test/javascript/zfoojs/buffer/ByteBuffer.js
+++ b/protocol/src/test/javascript/zfoojs/buffer/ByteBuffer.js
@@ -20,6 +20,10 @@ const decoder = new TextDecoder('utf-8');
 // const encoder = new util.TextEncoder('utf-8');
 // const decoder = new util.TextDecoder('utf-8');
 
+// 现在所有主流浏览器都支持TextDecoder，只有微信小程序不支持TextDecoder（微信浏览器也支持，微信的小程序和浏览器不是同一个js环境）
+// https://developers.weixin.qq.com/community/develop/doc/000ca85023ce78c8484e0d1d256400
+// 如果在微信小程序中使用，需要按照上面的链接全局引入TextEncoder相关依赖
+
 // 在js中long可以支持的最大值
 // const maxLong = 9007199254740992;
 // const minLong = -9007199254740992;
diff --git a/protocol/src/test/javascript/zfoojs/packet/ComplexObject.js b/protocol/src/test/javascript/zfoojs/packet/ComplexObject.js
index f1fb8edb..9b9b7c2c 100644
--- a/protocol/src/test/javascript/zfoojs/packet/ComplexObject.js
+++ b/protocol/src/test/javascript/zfoojs/packet/ComplexObject.js
@@ -50,13 +50,15 @@ const ComplexObject = function() {
     this.sss = new Set(); // Set<Set<ObjectA>>
     this.ssss = new Set(); // Set<string>
     this.sssss = new Set(); // Set<Map<number, string>>
-    // 如果要修改协议并且兼容老协议，需要加上Compatible注解，按照增加的顺序添加order
+    // 如果要修改协议并且兼容老协议，需要加上Compatible注解，保持Compatible注解的value自增
     this.myCompatible = 0; // number
     this.myObject = null; // ObjectA | null
 };
 
+ComplexObject.PROTOCOL_ID = 100;
+
 ComplexObject.prototype.protocolId = function() {
-    return 100;
+    return ComplexObject.PROTOCOL_ID;
 };
 
 ComplexObject.write = function(buffer, packet) {
diff --git a/protocol/src/test/javascript/zfoojs/packet/EmptyObject.js b/protocol/src/test/javascript/zfoojs/packet/EmptyObject.js
index b6a97892..0680216c 100644
--- a/protocol/src/test/javascript/zfoojs/packet/EmptyObject.js
+++ b/protocol/src/test/javascript/zfoojs/packet/EmptyObject.js
@@ -3,8 +3,10 @@ const EmptyObject = function() {
     
 };
 
+EmptyObject.PROTOCOL_ID = 0;
+
 EmptyObject.prototype.protocolId = function() {
-    return 0;
+    return EmptyObject.PROTOCOL_ID;
 };
 
 EmptyObject.write = function(buffer, packet) {
diff --git a/protocol/src/test/javascript/zfoojs/packet/NormalObject.js b/protocol/src/test/javascript/zfoojs/packet/NormalObject.js
index 502cc808..cf5e9a2a 100644
--- a/protocol/src/test/javascript/zfoojs/packet/NormalObject.js
+++ b/protocol/src/test/javascript/zfoojs/packet/NormalObject.js
@@ -18,11 +18,12 @@ const NormalObject = function() {
     this.mm = new Map(); // Map<number, ObjectA>
     this.s = new Set(); // Set<number>
     this.ssss = new Set(); // Set<string>
-    this.outCompatibleValue = 0; // number
 };
 
+NormalObject.PROTOCOL_ID = 101;
+
 NormalObject.prototype.protocolId = function() {
-    return 101;
+    return NormalObject.PROTOCOL_ID;
 };
 
 NormalObject.write = function(buffer, packet) {
@@ -30,8 +31,7 @@ NormalObject.write = function(buffer, packet) {
         buffer.writeInt(0);
         return;
     }
-    const beforeWriteIndex = buffer.getWriteOffset();
-    buffer.writeInt(854);
+    buffer.writeInt(-1);
     buffer.writeByte(packet.a);
     buffer.writeByteArray(packet.aaa);
     buffer.writeShort(packet.b);
@@ -50,8 +50,6 @@ NormalObject.write = function(buffer, packet) {
     buffer.writeIntPacketMap(packet.mm, 102);
     buffer.writeIntSet(packet.s);
     buffer.writeStringSet(packet.ssss);
-    buffer.writeInt(packet.outCompatibleValue);
-    buffer.adjustPadding(854, beforeWriteIndex);
 };
 
 NormalObject.read = function(buffer) {
@@ -97,10 +95,6 @@ NormalObject.read = function(buffer) {
     packet.s = set16;
     const set17 = buffer.readStringSet();
     packet.ssss = set17;
-    if (buffer.compatibleRead(beforeReadIndex, length)) {
-        const result18 = buffer.readInt();
-        packet.outCompatibleValue = result18;
-    }
     if (length > 0) {
         buffer.setReadOffset(beforeReadIndex + length);
     }
diff --git a/protocol/src/test/javascript/zfoojs/packet/ObjectA.js b/protocol/src/test/javascript/zfoojs/packet/ObjectA.js
index ff50a823..4d9cb031 100644
--- a/protocol/src/test/javascript/zfoojs/packet/ObjectA.js
+++ b/protocol/src/test/javascript/zfoojs/packet/ObjectA.js
@@ -3,11 +3,12 @@ const ObjectA = function() {
     this.a = 0; // number
     this.m = new Map(); // Map<number, string>
     this.objectB = null; // ObjectB | null
-    this.innerCompatibleValue = 0; // number
 };
 
+ObjectA.PROTOCOL_ID = 102;
+
 ObjectA.prototype.protocolId = function() {
-    return 102;
+    return ObjectA.PROTOCOL_ID;
 };
 
 ObjectA.write = function(buffer, packet) {
@@ -15,13 +16,10 @@ ObjectA.write = function(buffer, packet) {
         buffer.writeInt(0);
         return;
     }
-    const beforeWriteIndex = buffer.getWriteOffset();
-    buffer.writeInt(201);
+    buffer.writeInt(-1);
     buffer.writeInt(packet.a);
     buffer.writeIntStringMap(packet.m);
     buffer.writePacket(packet.objectB, 103);
-    buffer.writeInt(packet.innerCompatibleValue);
-    buffer.adjustPadding(201, beforeWriteIndex);
 };
 
 ObjectA.read = function(buffer) {
@@ -37,10 +35,6 @@ ObjectA.read = function(buffer) {
     packet.m = map1;
     const result2 = buffer.readPacket(103);
     packet.objectB = result2;
-    if (buffer.compatibleRead(beforeReadIndex, length)) {
-        const result3 = buffer.readInt();
-        packet.innerCompatibleValue = result3;
-    }
     if (length > 0) {
         buffer.setReadOffset(beforeReadIndex + length);
     }
diff --git a/protocol/src/test/javascript/zfoojs/packet/ObjectB.js b/protocol/src/test/javascript/zfoojs/packet/ObjectB.js
index d3b94eb1..455c6b01 100644
--- a/protocol/src/test/javascript/zfoojs/packet/ObjectB.js
+++ b/protocol/src/test/javascript/zfoojs/packet/ObjectB.js
@@ -1,11 +1,12 @@
 
 const ObjectB = function() {
     this.flag = false; // boolean
-    this.innerCompatibleValue = 0; // number
 };
 
+ObjectB.PROTOCOL_ID = 103;
+
 ObjectB.prototype.protocolId = function() {
-    return 103;
+    return ObjectB.PROTOCOL_ID;
 };
 
 ObjectB.write = function(buffer, packet) {
@@ -13,11 +14,8 @@ ObjectB.write = function(buffer, packet) {
         buffer.writeInt(0);
         return;
     }
-    const beforeWriteIndex = buffer.getWriteOffset();
-    buffer.writeInt(4);
+    buffer.writeInt(-1);
     buffer.writeBoolean(packet.flag);
-    buffer.writeInt(packet.innerCompatibleValue);
-    buffer.adjustPadding(4, beforeWriteIndex);
 };
 
 ObjectB.read = function(buffer) {
@@ -29,10 +27,6 @@ ObjectB.read = function(buffer) {
     const packet = new ObjectB();
     const result0 = buffer.readBoolean(); 
     packet.flag = result0;
-    if (buffer.compatibleRead(beforeReadIndex, length)) {
-        const result1 = buffer.readInt();
-        packet.innerCompatibleValue = result1;
-    }
     if (length > 0) {
         buffer.setReadOffset(beforeReadIndex + length);
     }
diff --git a/protocol/src/test/javascript/zfoojs/packet/SimpleObject.js b/protocol/src/test/javascript/zfoojs/packet/SimpleObject.js
index ac839531..fbb81f8e 100644
--- a/protocol/src/test/javascript/zfoojs/packet/SimpleObject.js
+++ b/protocol/src/test/javascript/zfoojs/packet/SimpleObject.js
@@ -4,8 +4,10 @@ const SimpleObject = function() {
     this.g = false; // boolean
 };
 
+SimpleObject.PROTOCOL_ID = 104;
+
 SimpleObject.prototype.protocolId = function() {
-    return 104;
+    return SimpleObject.PROTOCOL_ID;
 };
 
 SimpleObject.write = function(buffer, packet) {
diff --git a/protocol/src/test/javascript/zfoojs/packet/VeryBigObject.js b/protocol/src/test/javascript/zfoojs/packet/VeryBigObject.js
index 8761adf0..7f78aa97 100644
--- a/protocol/src/test/javascript/zfoojs/packet/VeryBigObject.js
+++ b/protocol/src/test/javascript/zfoojs/packet/VeryBigObject.js
@@ -3346,8 +3346,10 @@ const VeryBigObject = function() {
     this.ssss88 = new Set(); // Set<string>
 };
 
+VeryBigObject.PROTOCOL_ID = 1;
+
 VeryBigObject.prototype.protocolId = function() {
-    return 1;
+    return VeryBigObject.PROTOCOL_ID;
 };
 
 VeryBigObject.write = function(buffer, packet) {