diff --git a/AST抽象语法树/5.AST操作之API用法-path路径/README.md b/AST抽象语法树/5.AST操作之API用法-path路径/README.md
index 637dd3f..704a01b 100644
--- a/AST抽象语法树/5.AST操作之API用法-path路径/README.md
+++ b/AST抽象语法树/5.AST操作之API用法-path路径/README.md
@@ -224,4 +224,6 @@ fs.writeFile('decode.js', code, (err) => {});
 
 ```javascript
 var a;
-```
\ No newline at end of file
+```
+
+**替换path，单路径可以使用`replaceWith`方法，多路径则使用`replaceWithMultiple`方法**
diff --git a/AST抽象语法树/5.AST操作之API用法-path路径/decode.js b/AST抽象语法树/5.AST操作之API用法-path路径/decode.js
index 3e62046..d591410 100644
--- a/AST抽象语法树/5.AST操作之API用法-path路径/decode.js
+++ b/AST抽象语法树/5.AST操作之API用法-path路径/decode.js
@@ -1 +1 @@
-var a;
\ No newline at end of file
+var a = 3;
\ No newline at end of file
diff --git a/AST抽象语法树/5.AST操作之API用法-path路径/decode_obfuscator.js b/AST抽象语法树/5.AST操作之API用法-path路径/decode_obfuscator.js
index 0b61e8a..08e1824 100644
--- a/AST抽象语法树/5.AST操作之API用法-path路径/decode_obfuscator.js
+++ b/AST抽象语法树/5.AST操作之API用法-path路径/decode_obfuscator.js
@@ -5,14 +5,14 @@ const generator = require("@babel/generator").default;
 let encode_file = "./encode.js";
 
 let js_code = fs.readFileSync(encode_file, {encoding: "utf-8"});
-let ast = parse(js_code);
+let ast = parse(js_code, {
+    sourceType: 'module',
+});
 
 const visitor = {
-    enter(path)
-    {
-        if(path.isNumericLiteral())
-        {
-            path.remove()
+    enter(path) {
+        if (path.isNumericLiteral()) {
+            path.replaceWith({type:"NumericLiteral",value:3});
         }
     },
 }
@@ -22,4 +22,5 @@ traverse(ast, visitor);
 // 写入文件
 let {code} = generator(ast);
 console.log(code)
-fs.writeFile('decode.js', code, (err) => {});
+fs.writeFile('decode.js', code, (err) => {
+});
diff --git a/AST抽象语法树/README.md b/AST抽象语法树/README.md
index 23a6fb9..b995ad6 100644
--- a/AST抽象语法树/README.md
+++ b/AST抽象语法树/README.md
@@ -1,5 +1,6 @@
 # 参考文档
 
 深入学习 JavaScript 转译器 Babel ，AST还原混淆代码
+
 https://blog.csdn.net/weixin_52057903/article/details/129131582