diff --git a/protocol/src/test/python/ProtocolTest.py b/protocol/src/test/python/ProtocolTest.py
index 5dbf753d3..4e9756c6b 100644
--- a/protocol/src/test/python/ProtocolTest.py
+++ b/protocol/src/test/python/ProtocolTest.py
@@ -93,8 +93,3 @@ def test_buffer(self):
         byteBuffer.writeString(str)
         self.assertEqual(byteBuffer.readString(), str)
 
-        charStr = "A"
-        byteBuffer.writeChar(charStr)
-        self.assertEqual(byteBuffer.readChar(), charStr)
-        print("----------------------------------------------------------------")
-        print_bytearray(byteBuffer.buffer)
diff --git a/protocol/src/test/python/zfoopy/ProtocolManager.py b/protocol/src/test/python/zfoopy/ProtocolManager.py
index 689ed6aeb..1366a15ce 100644
--- a/protocol/src/test/python/zfoopy/ProtocolManager.py
+++ b/protocol/src/test/python/zfoopy/ProtocolManager.py
@@ -7,20 +7,28 @@
 from .packet import SimpleObject
 
 protocols = {}
+protocolIdMap = {}
 
-protocols[0] = EmptyObject.EmptyObject
-protocols[1] = VeryBigObject.VeryBigObject
-protocols[100] = ComplexObject.ComplexObject
-protocols[101] = NormalObject.NormalObject
-protocols[102] = ObjectA.ObjectA
-protocols[103] = ObjectB.ObjectB
-protocols[104] = SimpleObject.SimpleObject
+protocols[0] = EmptyObject.EmptyObjectRegistration
+protocolIdMap[EmptyObject.EmptyObject] = 0
+protocols[1] = VeryBigObject.VeryBigObjectRegistration
+protocolIdMap[VeryBigObject.VeryBigObject] = 1
+protocols[100] = ComplexObject.ComplexObjectRegistration
+protocolIdMap[ComplexObject.ComplexObject] = 100
+protocols[101] = NormalObject.NormalObjectRegistration
+protocolIdMap[NormalObject.NormalObject] = 101
+protocols[102] = ObjectA.ObjectARegistration
+protocolIdMap[ObjectA.ObjectA] = 102
+protocols[103] = ObjectB.ObjectBRegistration
+protocolIdMap[ObjectB.ObjectB] = 103
+protocols[104] = SimpleObject.SimpleObjectRegistration
+protocolIdMap[SimpleObject.SimpleObject] = 104
 
 def getProtocol(protocolId):
 	return protocols[protocolId]
 
 def write(buffer, packet):
-	protocolId = packet.protocolId()
+	protocolId = protocolIdMap[type(packet)]
 	buffer.writeShort(protocolId)
 	protocol = protocols[protocolId]
 	protocol.write(buffer, packet)
diff --git a/protocol/src/test/python/zfoopy/packet/ComplexObject.py b/protocol/src/test/python/zfoopy/packet/ComplexObject.py
index b0bcd4017..bf477794b 100644
--- a/protocol/src/test/python/zfoopy/packet/ComplexObject.py
+++ b/protocol/src/test/python/zfoopy/packet/ComplexObject.py
@@ -53,8 +53,11 @@ class ComplexObject:
     # 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
     myCompatible = 0  # int
     myObject = None  # ObjectA
+    pass
 
-    def protocolId(self):
+class ComplexObjectRegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 100
 
     @classmethod
diff --git a/protocol/src/test/python/zfoopy/packet/EmptyObject.py b/protocol/src/test/python/zfoopy/packet/EmptyObject.py
index 2cdbebf6c..633fdefc7 100644
--- a/protocol/src/test/python/zfoopy/packet/EmptyObject.py
+++ b/protocol/src/test/python/zfoopy/packet/EmptyObject.py
@@ -1,8 +1,11 @@
 
 class EmptyObject:
     
+    pass
 
-    def protocolId(self):
+class EmptyObjectRegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 0
 
     @classmethod
diff --git a/protocol/src/test/python/zfoopy/packet/NormalObject.py b/protocol/src/test/python/zfoopy/packet/NormalObject.py
index 0ebbe5ab3..46f6c7833 100644
--- a/protocol/src/test/python/zfoopy/packet/NormalObject.py
+++ b/protocol/src/test/python/zfoopy/packet/NormalObject.py
@@ -1,8 +1,9 @@
-
+# 常规的对象，取所有语言语法的交集，基本上所有语言都支持下面的语法
 class NormalObject:
     a = 0  # byte
     aaa = []  # byte[]
     b = 0  # short
+    # 整数类型
     c = 0  # int
     d = 0  # long
     e = 0.0  # float
@@ -20,8 +21,11 @@ class NormalObject:
     ssss = {}  # HashSet<string>
     outCompatibleValue = 0  # int
     outCompatibleValue2 = 0  # int
+    pass
 
-    def protocolId(self):
+class NormalObjectRegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 101
 
     @classmethod
diff --git a/protocol/src/test/python/zfoopy/packet/ObjectA.py b/protocol/src/test/python/zfoopy/packet/ObjectA.py
index c6808dafa..bd449601c 100644
--- a/protocol/src/test/python/zfoopy/packet/ObjectA.py
+++ b/protocol/src/test/python/zfoopy/packet/ObjectA.py
@@ -4,8 +4,11 @@ class ObjectA:
     m = {}  # Dictionary<int, string>
     objectB = None  # ObjectB
     innerCompatibleValue = 0  # int
+    pass
 
-    def protocolId(self):
+class ObjectARegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 102
 
     @classmethod
diff --git a/protocol/src/test/python/zfoopy/packet/ObjectB.py b/protocol/src/test/python/zfoopy/packet/ObjectB.py
index 12bc9100c..05e1e15c6 100644
--- a/protocol/src/test/python/zfoopy/packet/ObjectB.py
+++ b/protocol/src/test/python/zfoopy/packet/ObjectB.py
@@ -2,8 +2,11 @@
 class ObjectB:
     flag = False  # bool
     innerCompatibleValue = 0  # int
+    pass
 
-    def protocolId(self):
+class ObjectBRegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 103
 
     @classmethod
diff --git a/protocol/src/test/python/zfoopy/packet/SimpleObject.py b/protocol/src/test/python/zfoopy/packet/SimpleObject.py
index ea781cc87..da837fe6d 100644
--- a/protocol/src/test/python/zfoopy/packet/SimpleObject.py
+++ b/protocol/src/test/python/zfoopy/packet/SimpleObject.py
@@ -2,8 +2,11 @@
 class SimpleObject:
     c = 0  # int
     g = False  # bool
+    pass
 
-    def protocolId(self):
+class SimpleObjectRegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 104
 
     @classmethod
diff --git a/protocol/src/test/python/zfoopy/packet/VeryBigObject.py b/protocol/src/test/python/zfoopy/packet/VeryBigObject.py
index 04a792330..6394e3a5c 100644
--- a/protocol/src/test/python/zfoopy/packet/VeryBigObject.py
+++ b/protocol/src/test/python/zfoopy/packet/VeryBigObject.py
@@ -3344,8 +3344,11 @@ class VeryBigObject:
     mm88 = {}  # Dictionary<int, ObjectA>
     s88 = {}  # HashSet<int>
     ssss88 = {}  # HashSet<string>
+    pass
 
-    def protocolId(self):
+class VeryBigObjectRegistration:
+    @classmethod
+    def protocolId(cls, self):
         return 1
 
     @classmethod