diff --git a/code/app/task/logic/VideoSiteMapLogic.php b/code/app/task/logic/VideoSiteMapLogic.php
index a4e8d0a..4ef5cab 100644
--- a/code/app/task/logic/VideoSiteMapLogic.php
+++ b/code/app/task/logic/VideoSiteMapLogic.php
@@ -92,7 +92,7 @@ class VideoSiteMapLogic
         return  $this->arrDomainModel;
     }
 
-  
+
     /**
      * Generate Site Map & Video JSON
      *
@@ -468,32 +468,61 @@ EOF;
      *   }
      * ]
      */
+    /**
+     * 线上专用：分页生成 Video JSON
+     *
+     * 每个文件格式：
+     * [
+     *   {
+     *     "keyword": "...",
+     *     "site": "...",
+     *     "href": "https://www.xxx.com/...",
+     *     "url": "#"
+     *   }
+     * ]
+     */
     public function generateVideoJsonByPage(int $intPage): void
     {
+        // ===== 1. 显式输出，防止静默失败 =====
+        echo "[JSON] start page={$intPage}\n";
+
         $intStart = ($intPage - 1) * $this->intPageSize;
 
         foreach ($this->getDomain() as $DomainModel) {
 
-            $strDomainDir = $this->strSiteMapPath . $DomainModel->d_domain;
+            // ===== 2. 安全路径处理 =====
+            $strDomainDir = rtrim($this->strSiteMapPath, '/') . '/' . $DomainModel->d_domain;
+
             if (!is_dir($strDomainDir)) {
-                mkdir($strDomainDir, 0755, true);
+                if (!mkdir($strDomainDir, 0755, true) && !is_dir($strDomainDir)) {
+                    file_put_contents(
+                        '/tmp/video_json_error.log',
+                        "[mkdir fail] {$strDomainDir}\n",
+                        FILE_APPEND
+                    );
+                    continue;
+                }
             }
 
-            $strJsonFile = sprintf(
-                '%s/video-list-%d.json',
-                $strDomainDir,
-                $intPage
-            );
+            $strJsonFile = $strDomainDir . "/video-list-{$intPage}.json";
 
-            $fp = fopen($strJsonFile, 'w');
+            $fp = @fopen($strJsonFile, 'w');
+            if ($fp === false) {
+                file_put_contents(
+                    '/tmp/video_json_error.log',
+                    "[fopen fail] {$strJsonFile}\n",
+                    FILE_APPEND
+                );
+                continue;
+            }
 
-            // JSON 数组开始
+            // ===== 3. JSON 数组开始 =====
             fwrite($fp, "[\n");
-
             $isFirst = true;
 
             foreach ($this->fetchVideosByBatch($intStart, $this->intPageSize) as $Video) {
 
+                // ===== 4. 生成 URL =====
                 $strUri = $DomainModel->getFomartUrlEx(
                     "VIDEO_INFO_URL",
                     $DomainModel->d_domain,
@@ -505,34 +534,51 @@ EOF;
                     ]
                 );
 
-                $strFullUrl = sprintf(
-                    'https://www.%s%s',
-                    $DomainModel->d_domain,
-                    $strUri
-                );
+                $strFullUrl = 'https://www.' . $DomainModel->d_domain . $strUri;
 
+                // ===== 5. 构建数据（强制字符串） =====
                 $row = [
-                    'keyword' => $Video->v_name,
-                    'site'    => $DomainModel->d_domain,
-                    'href'    => $strFullUrl,
+                    'keyword' => (string)$Video->v_name,
+                    'site'    => (string)$DomainModel->d_domain,
+                    'href'    => (string)$strFullUrl,
                     'url'     => '#',
                 ];
 
+                // ===== 6. UTF-8 强制修复（关键） =====
+                foreach ($row as $k => $v) {
+                    if (is_string($v)) {
+                        $row[$k] = mb_convert_encoding($v, 'UTF-8', 'UTF-8');
+                    }
+                }
+
+                // ===== 7. JSON 编码（容错） =====
+                $json = json_encode(
+                    $row,
+                    JSON_UNESCAPED_UNICODE | JSON_INVALID_UTF8_SUBSTITUTE
+                );
+
+                if ($json === false) {
+                    file_put_contents(
+                        '/tmp/video_json_error.log',
+                        "[json_encode fail] " . json_last_error_msg() . "\n",
+                        FILE_APPEND
+                    );
+                    continue;
+                }
+
                 if (!$isFirst) {
                     fwrite($fp, ",\n");
                 }
 
-                fwrite(
-                    $fp,
-                    json_encode($row, JSON_UNESCAPED_UNICODE)
-                );
-
+                fwrite($fp, $json);
                 $isFirst = false;
             }
 
-            // JSON 数组结束
+            // ===== 8. JSON 数组结束 =====
             fwrite($fp, "\n]");
             fclose($fp);
+
+            echo "[JSON] done {$strJsonFile}\n";
         }
     }
 }