diff --git a/protocol/README.md b/protocol/README.md
index c7e3704a..b9555080 100644
--- a/protocol/README.md
+++ b/protocol/README.md
@@ -172,8 +172,6 @@ your protocol number a little more compactly, so that your protocol number will
       ```
       syntax = "proto3";
       package test.message;
-      // start_protocol_id = 500
-      // The above starting ID indicates which protocol number of the entire file starts with
     
       message SimpleObject {
           int64 aa = 1;
diff --git a/protocol/README_CN.md b/protocol/README_CN.md
index 46b2629c..265c6c15 100644
--- a/protocol/README_CN.md
+++ b/protocol/README_CN.md
@@ -149,8 +149,6 @@ cpu： i9900k
       ```
       syntax = "proto3";
       package test.message;
-      // start_protocol_id = 500
-      // 上面这个起始id表示整个文件的协议号从哪个开始
       
       message SimpleObject {
           int64 aa = 1;
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/GeneratePbUtils.java b/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/GeneratePbUtils.java
index e6262f7c..4525e861 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/GeneratePbUtils.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/GeneratePbUtils.java
@@ -22,6 +22,7 @@ import com.zfoo.protocol.model.Pair;
 import com.zfoo.protocol.serializer.protobuf.parser.Proto;
 import com.zfoo.protocol.serializer.protobuf.parser.ProtoParser;
 import com.zfoo.protocol.util.FileUtils;
+import com.zfoo.protocol.util.NumberUtils;
 import com.zfoo.protocol.util.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -55,7 +56,7 @@ public abstract class GeneratePbUtils {
         }
         // java package path
         if (StringUtils.isNotEmpty(pbGenerateOperation.getJavaPackage())) {
-            protocolOutputPath = protocolOutputPath + File.separator+ pbGenerateOperation.getJavaPackage().replaceAll(StringUtils.PERIOD_REGEX, "/");
+            protocolOutputPath = protocolOutputPath + File.separator + pbGenerateOperation.getJavaPackage().replaceAll(StringUtils.PERIOD_REGEX, "/");
         }
 
         var protoPathFile = new File(pbGenerateOperation.getProtoPath());
@@ -91,11 +92,20 @@ public abstract class GeneratePbUtils {
             // parse protobuf proto
             ProtoParser parser = new ProtoParser(protoString);
             Proto proto = parser.parse();
-            proto.setName(FileUtils.fileSimpleName(protoFile.getName()));
+            var protoSimpleName = FileUtils.fileSimpleName(protoFile.getName());
+
+            var protoName = StringUtils.substringAfterFirst(protoSimpleName, "_");
+            var startProtocolIdStr = StringUtils.substringBeforeFirst(protoSimpleName, "_");
+            if (!NumberUtils.isNumeric(startProtocolIdStr)) {
+                throw new RuntimeException(StringUtils.format("proto:[{}] name format is number_xxx.proto", protoName));
+            }
+
+            var startProtocolId = Short.parseShort(startProtocolIdStr);
+            proto.setName(protoName);
+            proto.setStartProtocolId(startProtocolId);
             protos.add(proto);
 
             // auto generate protocolId
-            var startProtocolId = proto.getStartProtocolId();
             for (var pbMessage : proto.getPbMessages()) {
                 pbMessage.setProtocolId(startProtocolId++);
             }
@@ -110,7 +120,7 @@ public abstract class GeneratePbUtils {
                 var protocolName = pbMessage.getName();
                 if (protocolIdMap.containsKey(protocolId)) {
                     var pair = protocolIdMap.get(protocolId);
-                    throw new RuntimeException(StringUtils.format("duplicate protocolId:[{}] in [{}]:[{}] and [{}]:[{}], consider proto start_protocol_id is too close"
+                    throw new RuntimeException(StringUtils.format("duplicate protocolId:[{}] in [{}]:[{}] and [{}]:[{}], consider proto start protocol id is too close"
                             , protocolId, pair.getKey().getName(), pair.getValue().getName(), proto.getName(), protocolName));
                 }
                 if (protocolNameMap.containsKey(protocolName)) {
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/parser/ProtoParser.java b/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/parser/ProtoParser.java
index 25f78988..79de27e3 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/parser/ProtoParser.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/protobuf/parser/ProtoParser.java
@@ -65,19 +65,8 @@ public class ProtoParser {
             switch (token) {
                 case "//":
                     String line = readSingleLineComment();
-                    // 解析协议开始的start_protocol_id
                     line = StringUtils.trim(line);
-                    if (line.startsWith("start_protocol_id")) {
-                        var splits = line.split("=");
-                        for (var s : splits) {
-                            s = s.trim();
-                            if (NumberUtils.isInteger(s)) {
-                                proto.setStartProtocolId(Short.parseShort(s));
-                            }
-                        }
-                    } else {
-                        comments.add(line);
-                    }
+                    comments.add(line);
                     nextLine();
                     break;
                 case "/*":
diff --git a/protocol/src/test/protobuf/one_enum.proto b/protocol/src/test/protobuf/200_one_enum.proto
similarity index 100%
rename from protocol/src/test/protobuf/one_enum.proto
rename to protocol/src/test/protobuf/200_one_enum.proto
diff --git a/protocol/src/test/protobuf/all_type.proto b/protocol/src/test/protobuf/300_all_type.proto
similarity index 88%
rename from protocol/src/test/protobuf/all_type.proto
rename to protocol/src/test/protobuf/300_all_type.proto
index 09945357..9e1d5d0a 100644
--- a/protocol/src/test/protobuf/all_type.proto
+++ b/protocol/src/test/protobuf/300_all_type.proto
@@ -1,8 +1,7 @@
 syntax = "proto3";
 package test.message;
-import "one_map.proto";
-import "one_message.proto";
-// start_protocol_id = 300
+import "400_one_map.proto";
+import "500_one_message.proto";
 
 
 // 如果字段的tag超过1000，则视这个字段为需要兼容的协议字段
diff --git a/protocol/src/test/protobuf/one_map.proto b/protocol/src/test/protobuf/400_one_map.proto
similarity index 86%
rename from protocol/src/test/protobuf/one_map.proto
rename to protocol/src/test/protobuf/400_one_map.proto
index a68aea2e..939b7fa3 100644
--- a/protocol/src/test/protobuf/one_map.proto
+++ b/protocol/src/test/protobuf/400_one_map.proto
@@ -1,7 +1,5 @@
 syntax = "proto3";
 package test.message;
-// start_protocol_id = 400
-
 
 message OneMap {
   map<string, Project> value = 1;
diff --git a/protocol/src/test/protobuf/one_message.proto b/protocol/src/test/protobuf/500_one_message.proto
similarity index 81%
rename from protocol/src/test/protobuf/one_message.proto
rename to protocol/src/test/protobuf/500_one_message.proto
index b10e9a66..3e79180f 100644
--- a/protocol/src/test/protobuf/one_message.proto
+++ b/protocol/src/test/protobuf/500_one_message.proto
@@ -1,8 +1,5 @@
 syntax = "proto3";
 package test.message;
-// start_protocol_id = 500
-// 上面这个起始id表示整个文件的协议号从哪个开始
-
 
 message OneMessage {
   Proj value = 1;