diff --git a/jraft-example/src/main/java/com/alipay/sofa/jraft/example/flexibleRaft/rpc/FlexibleRaftOutter.java b/jraft-example/src/main/java/com/alipay/sofa/jraft/example/flexibleRaft/rpc/FlexibleRaftOutter.java
index e3839a6d4..c64a38b68 100644
--- a/jraft-example/src/main/java/com/alipay/sofa/jraft/example/flexibleRaft/rpc/FlexibleRaftOutter.java
+++ b/jraft-example/src/main/java/com/alipay/sofa/jraft/example/flexibleRaft/rpc/FlexibleRaftOutter.java
@@ -17,7 +17,6 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: counter.proto
 
-
 package com.alipay.sofa.jraft.example.flexibleRaft.rpc;
 
 public final class FlexibleRaftOutter {
@@ -115,13 +114,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
 
         protected FieldAccessorTable internalGetFieldAccessorTable() {
             return FlexibleRaftOutter.internal_static_jraft_FlexibleGetValueRequest_fieldAccessorTable
-                .ensureFieldAccessorsInitialized(
-                    FlexibleGetValueRequest.class, FlexibleGetValueRequest.Builder.class);
+                .ensureFieldAccessorsInitialized(FlexibleGetValueRequest.class, FlexibleGetValueRequest.Builder.class);
         }
 
         private int             bitField0_;
-        public static final int                   READONLYSAFE_FIELD_NUMBER = 1;
-        private boolean readOnlySafe_;
+        public static final int READONLYSAFE_FIELD_NUMBER = 1;
+        private boolean         readOnlySafe_;
 
         /**
          * <code>required bool readOnlySafe = 1;</code>
@@ -325,10 +323,12 @@ private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
                 super(parent);
                 maybeForceBuilderInitialization();
             }
+
             @Override
             public boolean getReadOnlySafe() {
                 return readOnlySafe_;
             }
+
             private void maybeForceBuilderInitialization() {
                 if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
                 }
@@ -442,7 +442,7 @@ public Builder mergeFrom(com.google.protobuf.CodedInputStream input,
                 return this;
             }
 
-            private int                               bitField0_;
+            private int     bitField0_;
 
             private boolean readOnlySafe_;
 
@@ -452,11 +452,11 @@ public Builder mergeFrom(com.google.protobuf.CodedInputStream input,
             public boolean hasReadOnlySafe() {
                 return ((bitField0_ & 0x00000001) == 0x00000001);
             }
+
             /**
              * <code>required bool readOnlySafe = 1;</code>
              */
 
-
             /**
              * <code>repeated bool readOnlySafe = 1;</code>
              */