diff --git a/README.md b/README.md
index f6084be..329d831 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,20 @@ npm install -g .
 jav -v
 ```
 
+## Updating
+
+**Option 1: Update via npm (recommended)**
+```bash
+sudo npm install -g javdict@latest
+```
+
+**Option 2: Update from GitHub (for developers)**
+```bash
+cd AvDict
+git pull
+sudo npm install -g .
+```
+
 ---
 
 ## Usage
diff --git a/README_de.md b/README_de.md
index 35e209a..710b3b1 100644
--- a/README_de.md
+++ b/README_de.md
@@ -68,6 +68,20 @@ npm install -g .
 jav -v
 ```
 
+## Aktualisierung
+
+**Option 1: Update über npm（empfohlen）**
+```bash
+sudo npm install -g javdict@latest
+```
+
+**Option 2: Update von GitHub（für Entwickler）**
+```bash
+cd AvDict
+git pull
+sudo npm install -g .
+```
+
 ---
 
 ## Verwendung
diff --git a/README_ja.md b/README_ja.md
index a21f3f1..92e75c2 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -68,6 +68,20 @@ npm install -g .
 jav -v
 ```
 
+## アップデート方法
+
+**方法1：npm でアップデート（推奨）**
+```bash
+sudo npm install -g javdict@latest
+```
+
+**方法2：GitHub からアップデート（開発者向け）**
+```bash
+cd AvDict
+git pull
+sudo npm install -g .
+```
+
 ---
 
 ## 使い方
diff --git a/README_ko.md b/README_ko.md
index 7560e3f..0eaae08 100644
--- a/README_ko.md
+++ b/README_ko.md
@@ -68,6 +68,20 @@ npm install -g .
 jav -v
 ```
 
+## 업데이트 방법
+
+**방법 1：npm으로 업데이트（권장）**
+```bash
+sudo npm install -g javdict@latest
+```
+
+**방법 2：GitHub에서 업데이트（개발자용）**
+```bash
+cd AvDict
+git pull
+sudo npm install -g .
+```
+
 ---
 
 ## 사용 방법
diff --git a/README_zh.md b/README_zh.md
index cfdbaf6..0765460 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -68,6 +68,20 @@ npm install -g .
 jav -v
 ```
 
+## 更新方法
+
+**方式一：通过 npm 更新（推荐）**
+```bash
+sudo npm install -g javdict@latest
+```
+
+**方式二：从 GitHub 克隆安装（开发者）**
+```bash
+cd AvDict
+git pull
+sudo npm install -g .
+```
+
 ---
 
 ## 使用说明
diff --git a/package-lock.json b/package-lock.json
index 8807703..a0505d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "javdict",
-  "version": "1.2.10",
+  "version": "1.2.11",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "javdict",
-      "version": "1.2.10",
+      "version": "1.2.11",
       "license": "MIT",
       "dependencies": {
         "axios": "^1.6.0",
diff --git a/package.json b/package.json
index f9dbebd..98b3faa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "javdict",
-  "version": "1.2.10",
+  "version": "1.2.11",
   "description": "AV番号命令行查询工具",
   "main": "./index.js",
   "type": "module",