fix bug

app/modules/indexer/spider.py

@@ -233,19 +233,22 @@ class TorrentSpider:
                 referer=self.referer,
                 proxies=self.proxies
             ).get_res(searchurl, allow_redirects=True)
-            # 使用chardet检测字符编码
-            raw_data = ret.content
-            if raw_data:
-                try:
-                    result = chardet.detect(raw_data)
-                    encoding = result['encoding']
-                    # 解码为字符串
-                    page_source = raw_data.decode(encoding)
-                except Exception as e:
-                    logger.error(f"chardet解码失败：{e}")
+            if ret is not None:
+                # 使用chardet检测字符编码
+                raw_data = ret.content
+                if raw_data:
+                    try:
+                        result = chardet.detect(raw_data)
+                        encoding = result['encoding']
+                        # 解码为字符串
+                        page_source = raw_data.decode(encoding)
+                    except Exception as e:
+                        logger.error(f"chardet解码失败：{e}")
+                        page_source = ret.text
+                else:
                     page_source = ret.text
             else:
-                page_source = ret.text
+                page_source = ""
 
         # 解析
         return self.parse(page_source)