v2.3更新

frontend/api/execute_upgrade.php

@@ -64,7 +64,7 @@ $apiResponse = curl_exec($ch);
 $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 curl_close($ch);
 
-if ($httpCode !== 200 || empty($apiResponse)) {
+if (empty($apiResponse)) {
     http_response_code(500);
     echo json_encode([
         'success' => false,
@@ -75,15 +75,28 @@ if ($httpCode !== 200 || empty($apiResponse)) {
 }
 
 $result = json_decode($apiResponse, true);
-if (!$result || !isset($result['success']) || !$result['success']) {
+if (!$result) {
     http_response_code(500);
     echo json_encode([
         'success' => false,
         'version' => $stepVersion,
-        'error' => $result['message'] ?? '升级失败'
+        'error' => '升级服务返回数据格式错误'
+    ]);
+    exit();
+}
+
+// 后端返回非200或 success=false 时，提取实际错误信息
+if ($httpCode !== 200 || !isset($result['success']) || !$result['success']) {
+    $errorMsg = $result['message'] ?? ($result['error'] ?? '升级失败');
+    http_response_code(500);
+    echo json_encode([
+        'success' => false,
+        'version' => $stepVersion,
+        'error' => $errorMsg
     ]);
     exit();
 }
 
 // 转发后端返回的数据
-echo json_encode($result['data']);
+$data = $result['data'] ?? [];
+echo json_encode($data);