diff --git a/doc/image/protocol/complex_object.png b/doc/image/protocol/complex_object.png
index 68ce0f7d..e0f2fe2f 100644
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diff --git a/doc/image/protocol/normal_object.png b/doc/image/protocol/normal_object.png
index 1a21b162..745db80a 100644
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diff --git a/doc/image/protocol/simple_object.png b/doc/image/protocol/simple_object.png
index be652c17..7c28febf 100644
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diff --git a/protocol/README.md b/protocol/README.md
index bd0c66dc..7af5708a 100644
--- a/protocol/README.md
+++ b/protocol/README.md
@@ -33,18 +33,14 @@ var packet = ProtocolManager.read(buffer);
 
 ### Ⅲ. Performance testing
 
-- Single-threaded environment, 50% faster than Protobuf and 100% faster than Kryo without any JVM parameter
-  tuning,[参见性能测试](src/test/java/com/zfoo/protocol/BenchmarkTesting.java)
-- Thread safety, the performance of zfoo and Protobuf is not affected in any way, kryo will lose some performance
-  because of thread insecurity,[参见性能测试](src/test/java/com/zfoo/protocol/BenchmarkTesting.java)
-
+- [Benchmark Test](src/test/java/com/zfoo/protocol/BenchmarkTesting.java)
 
 - Test the environment
 
 ```
 system：win10
 cpu： i9900k
-内存：64g
+memory：64g
 ```
 
 - Single-threaded test with abscissa as the number of objects serialized and deserialized and time spent in milliseconds
@@ -197,4 +193,52 @@ your protocol number a little more compactly, so that your protocol number will
   [Use code custom generation to proto](https://github.com/zfoo-project/tank-game-server/tree/main/common/src/main/java/com/zfoo/tank/common/generate)
 
 
+### Ⅸ. The difference between zfoo and Protobuf
+
+- Abandoning the deletion field of protobuf can also be compatible with the protocol, improving the performance by 1 times and reducing the cost by 1 times.
+
+- zfoo takes the intersection of type declarations in all languages, instead of protobuf taking the union, simplifying the type implementation of protobuf
+    - protobuf
+      ```
+      double
+      float
+      int32
+      int64
+      uint32
+      uint64
+      sint32
+      sint64
+      fixed32
+      fixed64
+      sfixed32
+      sfixed64
+      bool
+      string
+      bytes
+      bytes
+      ```
+    - zfoo
+      ```
+      float
+      double
+      byte
+      int16
+      int32
+      int64
+      bool
+      string
+      ```
+
+- zfoo takes the intersection of the grammars of all languages, instead of the intersection of protobuf, and adds the grammar implementation of protobuf
+    - protobuf
+      ```
+      Collection nesting syntax is not supported
+      ```
+    - zfoo
+      ```
+      Supports nested collection syntax
+      ```
+
+
+
 
diff --git a/protocol/README_CN.md b/protocol/README_CN.md
index 1b559c5b..aef8fbcd 100644
--- a/protocol/README_CN.md
+++ b/protocol/README_CN.md
@@ -26,9 +26,7 @@ var packet = ProtocolManager.read(buffer);
 
 ### Ⅲ. 性能测试
 
-- 单线程环境，在没有任何JVM参数调优的情况下速度比Protobuf快50%，比Kryo快100%，[参见性能测试](src/test/java/com/zfoo/protocol/BenchmarkTesting.java)
-
-- 线程安全，zfoo和Protobuf的性能不受任何影响，kryo因为线程不安全性能会有所损失，[参见性能测试](src/test/java/com/zfoo/protocol/BenchmarkTesting.java)
+- [性能测试](src/test/java/com/zfoo/protocol/BenchmarkTesting.java)
 
 
 - 测试环境
@@ -128,7 +126,7 @@ cpu： i9900k
       
       }
       ```
-      
+
     - 第三种使用：通过ProtocolManagerinitProtocol(xmlProtocols)去注册协议，把协议号写在protocol.xml文件
       ```
       <protocols>
@@ -160,5 +158,48 @@ cpu： i9900k
 - 也可以自定义自己的生成方式，
   [使用代码自定义生成proto](https://github.com/zfoo-project/tank-game-server/tree/main/common/src/main/java/com/zfoo/tank/common/generate)
 
+### Ⅸ. zfoo和Protobuf的区别
 
+- 舍弃protobuf的删除字段也可以兼容协议的方式，提升1倍的性能，减小1倍的
 
+- zfoo取所有语言的类型声明的交集，而不是protobuf取并集，简化protobuf的类型实现
+    - protobuf
+      ```
+      double
+      float
+      int32
+      int64
+      uint32
+      uint64
+      sint32
+      sint64
+      fixed32
+      fixed64
+      sfixed32
+      sfixed64
+      bool
+      string
+      bytes
+      bytes
+      ```
+    - zfoo
+      ```
+      float
+      double
+      byte
+      int16
+      int32
+      int64
+      bool
+      string
+      ```
+
+- zfoo取所有语言的语法的交集，而不是protobuf的交集，增加protobuf的语法实现
+    - protobuf
+      ```
+      不支持集合嵌套语法
+      ```
+    - zfoo
+      ```
+      支持集合嵌套语法
+      ```
diff --git a/protocol/src/test/java/com/zfoo/protocol/BenchmarkTesting.java b/protocol/src/test/java/com/zfoo/protocol/BenchmarkTesting.java
index cf56c981..b8ef2b66 100644
--- a/protocol/src/test/java/com/zfoo/protocol/BenchmarkTesting.java
+++ b/protocol/src/test/java/com/zfoo/protocol/BenchmarkTesting.java
@@ -69,8 +69,8 @@ public class BenchmarkTesting {
 
             zfooTest();
             furyTest();
-            protobufTest();
             kryoTest();
+            protobufTest();
 
             // 递归执行，多跑几遍
             benchmark = benchmark * 2;
@@ -91,8 +91,8 @@ public class BenchmarkTesting {
 
             zfooMultipleThreadTest();
             furyMultipleThreadTest();
-            protobufMultipleThreadTest();
             kryoMultipleThreadTest();
+            protobufMultipleThreadTest();
 
             benchmark = benchmark * 2;
             multipleThreadBenchmarks();