diff --git a/app-updater/src/main/java/com/king/app/updater/AppUpdater.java b/app-updater/src/main/java/com/king/app/updater/AppUpdater.java
index f854dec..489f972 100644
--- a/app-updater/src/main/java/com/king/app/updater/AppUpdater.java
+++ b/app-updater/src/main/java/com/king/app/updater/AppUpdater.java
@@ -159,7 +159,7 @@ public class AppUpdater {
          * @param url 下载地址
          * @return
          */
-        public Builder serUrl(@NonNull String url){
+        public Builder setUrl(@NonNull String url){
             mConfig.setUrl(url);
             return this;
         }
diff --git a/app/src/main/java/com/king/appupdater/MainActivity.java b/app/src/main/java/com/king/appupdater/MainActivity.java
index 5142992..5d6c410 100644
--- a/app/src/main/java/com/king/appupdater/MainActivity.java
+++ b/app/src/main/java/com/king/appupdater/MainActivity.java
@@ -137,7 +137,7 @@ public class MainActivity extends AppCompatActivity {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
                         mAppUpdater = new AppUpdater.Builder()
-                                .serUrl(mUrl)
+                                .setUrl(mUrl)
                                 .build(getContext())
                                 .setUpdateCallback(new AppUpdateCallback() {
                                     @Override
@@ -188,7 +188,7 @@ public class MainActivity extends AppCompatActivity {
                     @Override
                     public void onClick(View v) {
                         mAppUpdater = new AppUpdater.Builder()
-                                .serUrl(mUrl)
+                                .setUrl(mUrl)
                                 .build(getContext());
                         mAppUpdater.start();
                         AppDialog.INSTANCE.dismissDialog();
@@ -221,7 +221,7 @@ public class MainActivity extends AppCompatActivity {
             @Override
             public void onClick(View v) {
                 mAppUpdater = new AppUpdater.Builder()
-                        .serUrl(mUrl)
+                        .setUrl(mUrl)
 //                        .setPath(Environment.getExternalStorageDirectory() + "/.AppUpdater")//如果适配Android Q，则Environment.getExternalStorageDirectory()将废弃
 //                        .setPath(getExternalFilesDir(Constants.DEFAULT_DIR).getAbsolutePath())//自定义路径，推荐使用默认
 //                        .setApkMD5("3df5b1c1d2bbd01b4a7ddb3f2722ccca")//支持MD5校验，如果缓存APK的MD5与此MD5相同，则直接取本地缓存安装，推荐使用MD5校验的方式
@@ -249,7 +249,7 @@ public class MainActivity extends AppCompatActivity {
                     @Override
                     public void onClick(View v) {
                         mAppUpdater = new AppUpdater.Builder()
-                                .serUrl(mUrl)
+                                .setUrl(mUrl)
                                 .setVibrate(true)
                                 .setSound(true)
                                 .build(getContext());