diff --git a/src/main/java/com/wangym/lombok/job/impl/CommentJob.java b/src/main/java/com/wangym/lombok/job/impl/CommentJob.java
index 49171a9..e74ff0d 100644
--- a/src/main/java/com/wangym/lombok/job/impl/CommentJob.java
+++ b/src/main/java/com/wangym/lombok/job/impl/CommentJob.java
@@ -7,6 +7,8 @@
 import org.springframework.util.FileCopyUtils;
 
 import java.io.*;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -21,24 +23,28 @@ public CommentJob() {
     @Override
     public void exec(File file) throws IOException {
         //按行读取文件
-        StringBuffer sb = new StringBuffer();
+        List<String> stringList = new ArrayList<>();
         boolean changeFlag = false;
         try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "utf-8"))) {
             String line;
             while ((line = reader.readLine()) != null) {
                 //判断是否包含行尾注释，将行尾注释提到上一行
-                if (processLine(line, sb)) {
+                if (processLine(line, stringList)) {
                     changeFlag = true;
                 }
             }
         }
         //如果文件内容发生变化，重新写入文件
         if (changeFlag) {
+            StringBuffer sb = new StringBuffer();
+            for (String s : stringList) {
+                sb.append(s).append("\n");
+            }
             FileCopyUtils.copy(sb.toString().getBytes("utf-8"), file);
         }
     }
 
-    private boolean processLine(String text, StringBuffer sb) {
+    private boolean processLine(String text, List<String> lines) {
         Pattern pattern = Pattern.compile("^(\\s*)(.*?;)\\s*(//.*)$");  // 匹配行尾注释
         Matcher matcher = pattern.matcher(text);
 
@@ -47,14 +53,40 @@ private boolean processLine(String text, StringBuffer sb) {
             String code = matcher.group(2);  // 获取代码部分
             String comment = matcher.group(3);  // 获取行尾注释
 
-            sb.append(commentAlignment + comment + "\n");
-            sb.append(commentAlignment + code + "\n");
+            addToHead(lines, commentAlignment + comment);
+            lines.add(commentAlignment + code);
             return true;
         } else {
-            sb.append(text + "\n");
+            lines.add(text);
             return false;
         }
     }
 
+    private void addToHead(List<String> lines, String text) {
+        //for倒序循环遍历，找到第一个不是注解的行
+        int index = 0;
+        for (int i = lines.size() - 1; i >= 0; i--) {
+            if (!isAnnotaion(lines.get(i))) {
+                break;
+            } else {
+                //记录最后一个注解的位置
+                index = i;
+            }
+
+        }
+        if (index != 0) {
+            lines.add(index, text);
+        } else {
+            lines.add(text);
+        }
+    }
+
+    private boolean isAnnotaion(String text) {
+        //判断是否是注解
+        Pattern pattern = Pattern.compile("^\\s*@\\D*$");
+        Matcher matcher = pattern.matcher(text);
+        return matcher.find();
+    }
+
 
 }
diff --git a/src/test/java/com/wangym/lombok/CommentJobTest.java b/src/test/java/com/wangym/lombok/CommentJobTest.java
index 51e8a8a..13d3cf1 100644
--- a/src/test/java/com/wangym/lombok/CommentJobTest.java
+++ b/src/test/java/com/wangym/lombok/CommentJobTest.java
@@ -22,4 +22,9 @@ public void handle() throws IOException {
         job.exec(new ClassPathResource("LoggerExample.java").getFile());
     }
 
+    @Test
+    public void handle1() throws IOException {
+        job.exec(new ClassPathResource("SystemOutPrintExample.java").getFile());
+    }
+
 }
diff --git a/src/test/resources/SystemOutPrintExample.java b/src/test/resources/SystemOutPrintExample.java
index 482412b..e5b76d4 100644
--- a/src/test/resources/SystemOutPrintExample.java
+++ b/src/test/resources/SystemOutPrintExample.java
@@ -1,6 +1,9 @@
 package com.wangym.lombok.job.impl;
 
 public class SystemOutPrintExample {
+    @JsonProperty(value = "open_id")
+    private String name;//这是一个单行注释2
+
 
     public void test() {
         System.out.println("hello world");