diff --git a/app/src/main/java/com/stand/standapp/UpdateManager.kt b/app/src/main/java/com/stand/standapp/UpdateManager.kt
index c2ea661..95589f7 100644
--- a/app/src/main/java/com/stand/standapp/UpdateManager.kt
+++ b/app/src/main/java/com/stand/standapp/UpdateManager.kt
@@ -106,7 +106,7 @@ class UpdateManager(private val context: Context) {
                         handler.post { Toast.makeText(context.applicationContext, "更新检查失败: ${response.code}", Toast.LENGTH_SHORT).show() }
                         return
                     }
-                    
+
                     val json = JSONObject(body)
                     if (json.getInt("code") == 0) {
                         val data = json.optJSONObject("data")
@@ -115,9 +115,9 @@ class UpdateManager(private val context: Context) {
                             if (newVersionCode > currentVersionCode) {
                                 val versionName = data.optString("versionName", "New")
                                 val content = data.optString("updateContent", "优化系统体验")
-                                val id = data.optLong("id", -1)
-                                
-                                if (id != -1L) {
+                                val id = data.optString("id", "")
+
+                                if (id != "") {
                                     (context as? AppCompatActivity)?.runOnUiThread {
                                         try {
                                             showUpdateDialog(versionName, content, id)
@@ -144,7 +144,7 @@ class UpdateManager(private val context: Context) {
         })
     }
 
-    private fun showUpdateDialog(versionName: String, content: String, id: Long) {
+    private fun showUpdateDialog(versionName: String, content: String, id: String) {
         val view = (context as AppCompatActivity).layoutInflater.inflate(R.layout.dialog_update, null)
         val tvTitle = view.findViewById<android.widget.TextView>(R.id.tv_update_title)
         val tvContent = view.findViewById<android.widget.TextView>(R.id.tv_update_content)
@@ -162,7 +162,7 @@ class UpdateManager(private val context: Context) {
             .setCancelable(false)
             .setPositiveButton("立即升级") { _, _ ->
                 val serverUrl = AppConfig.getServerUrl(context)
-                val downloadUrl = "$serverUrl/app-version/download/$id"
+                val downloadUrl = "$serverUrl/api/app-version/download/$id"
                 startManualDownload(downloadUrl)
             }
             .setNegativeButton("稍后再说", null)
@@ -171,7 +171,7 @@ class UpdateManager(private val context: Context) {
 
     private fun startManualDownload(url: String) {
         showProgressDialog()
-        
+
         val client = NetworkModule.defaultClient
         val request = Request.Builder()
             .url(url)
@@ -221,16 +221,16 @@ class UpdateManager(private val context: Context) {
 
             outputStream = context.contentResolver.openOutputStream(targetUri)
             inputStream = body.byteStream()
-            
+
             val totalBytes = body.contentLength()
             val buffer = ByteArray(8192)
             var bytesRead: Int
             var totalRead: Long = 0
-            
+
             while (inputStream.read(buffer).also { bytesRead = it } != -1) {
                 outputStream?.write(buffer, 0, bytesRead)
                 totalRead += bytesRead
-                
+
                 if (totalBytes > 0) {
                     val progress = (totalRead * 100 / totalBytes).toInt()
                     handler.post {
@@ -240,7 +240,7 @@ class UpdateManager(private val context: Context) {
                 }
             }
             outputStream?.flush()
-            
+
             handler.post {
                 progressDialog?.dismiss()
                 Toast.makeText(context.applicationContext, "下载完成，文件已保存到系统下载目录", Toast.LENGTH_SHORT).show()
@@ -287,7 +287,7 @@ class UpdateManager(private val context: Context) {
             val intent = Intent(Intent.ACTION_VIEW)
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
             intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
-            
+
             // 如果是 content:// URI 直接使用，否则通过 FileProvider 转换
             val installUri = if (uri.scheme == "content") {
                 uri
@@ -295,7 +295,7 @@ class UpdateManager(private val context: Context) {
                 val file = File(uri.path!!)
                 FileProvider.getUriForFile(context, "${context.packageName}.fileprovider", file)
             }
-            
+
             intent.setDataAndType(installUri, "application/vnd.android.package-archive")
             context.startActivity(intent)
         } catch (e: Exception) {