diff --git a/sdk-license/README.md b/sdk-license/README.md
index c52ab5d..661e7d5 100644
--- a/sdk-license/README.md
+++ b/sdk-license/README.md
@@ -72,7 +72,7 @@ val deviceId = LicenseSDK.getDeviceId()
 |-----------|---------|-------------|
 | `appKey` | from encrypted file | Company appKey from tenant platform |
 | `deviceName` | `${MANUFACTURER} ${MODEL}` | Device display name |
-| `baseUrl` | `https://auto.dev.xuqinmin.com/` | License server base URL |
+| `baseUrl` | `https://auth.dev.xuqinmin.com/` | License server base URL |
 
 ## Data Storage
 
diff --git a/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseConfig.kt b/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseConfig.kt
index 97f99d1..fad10be 100644
--- a/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseConfig.kt
+++ b/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseConfig.kt
@@ -2,7 +2,7 @@ package com.xuqm.sdk.license
 
 data class LicenseConfig(
     val appKey: String,
-    val baseUrl: String = "https://auto.dev.xuqinmin.com/",
+    val baseUrl: String = "https://auth.dev.xuqinmin.com/",
     val deviceName: String? = null,
     val cacheWindowMs: Long = 10 * 60 * 1000L, // 10 minutes
 )
diff --git a/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseSDK.kt b/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseSDK.kt
index 7288d7c..d886827 100644
--- a/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseSDK.kt
+++ b/sdk-license/src/main/java/com/xuqm/sdk/license/LicenseSDK.kt
@@ -19,7 +19,7 @@ object LicenseSDK {
 
     private const val STATUS_OK = "ok"
     private const val STATUS_DENIED = "denied"
-    private const val DEFAULT_BASE_URL = "https://auto.dev.xuqinmin.com/"
+    private const val DEFAULT_BASE_URL = "https://auth.dev.xuqinmin.com/"
 
     private var initialized = false
     private lateinit var appContext: Context
@@ -35,7 +35,7 @@ object LicenseSDK {
      * @param context Application context
      * @param appKey The company appKey (e.g., "f713d051-0fbe-4f2d-bec9-bf7b96fc9ce4")
      * @param deviceName Optional device name for identification
-     * @param baseUrl Optional custom license server base URL. Defaults to https://auto.dev.xuqinmin.com/
+     * @param baseUrl Optional custom license server base URL. Defaults to https://auth.dev.xuqinmin.com/
      */
     @JvmStatic
     @JvmOverloads