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排查","\u002Fzh-hant\u002Ftroubleshooting\u002Fdirect-video-download","zh-Hant\u002F5.troubleshooting\u002F6.direct-video-download",{"title":633,"icon":173,"path":783,"stem":784,"children":785,"page":32},"\u002Fzh-hant\u002Fdeveloper","zh-Hant\u002F6.developer",[786,790],{"title":787,"path":788,"stem":789,"icon":181},"貢獻指南","\u002Fzh-hant\u002Fdeveloper\u002Fcontributing","zh-Hant\u002F6.developer\u002F1.contributing",{"title":791,"path":792,"stem":793,"icon":186},"專案架構","\u002Fzh-hant\u002Fdeveloper\u002Farchitecture","zh-Hant\u002F6.developer\u002F2.architecture",{"id":795,"title":629,"body":796,"description":1787,"extension":1788,"meta":1789,"navigation":1791,"path":630,"seo":1792,"stem":631,"__hash__":1794},"docs\u002Fzh-Hans\u002F5.troubleshooting\u002F6.direct-video-download.md",{"type":797,"value":798,"toc":1773},"minimark",[799,803,808,811,877,906,909,912,933,940,947,951,957,964,996,999,1117,1133,1137,1142,1145,1165,1168,1199,1217,1221,1226,1244,1251,1255,1260,1274,1277,1300,1322,1326,1331,1338,1341,1398,1413,1417,1422,1436,1486,1496,1500,1505,1521,1524,1538,1541,1547,1619,1625,1628,1682,1685,1688,1714,1725,1728,1769],[800,801,802],"p",{},"视频直链就是那种\"一个 URL 一个文件\"的下载：MP4、WebM、MOV、MKV，点开就能播放，拿到地址就能存。跟 M3U8、MPD 那种要拼分片再合并的流完全不是一回事。这篇文章把直链下载最常见的坑挨个过一遍，配 curl 命令帮你定位到底卡在哪。",[804,805,807],"h2",{"id":806},"先搞清楚直链和流媒体不是一回事","先搞清楚：直链和流媒体不是一回事",[800,809,810],{},"直链下载失败的原因，一半以上是把流媒体的思维方式套到直链上。先分清这两类东西：",[812,813,814,829],"table",{},[815,816,817],"thead",{},[818,819,820,823,826],"tr",{},[821,822],"th",{},[821,824,825],{},"直链文件",[821,827,828],{},"HLS \u002F DASH 流",[830,831,832,844,855,866],"tbody",{},[818,833,834,838,841],{},[835,836,837],"td",{},"结构",[835,839,840],{},"单个文件",[835,842,843],{},"清单 + 成百上千分片",[818,845,846,849,852],{},[835,847,848],{},"下载",[835,850,851],{},"一个请求搞定",[835,853,854],{},"逐片下载再合并",[818,856,857,860,863],{},[835,858,859],{},"失败特征",[835,861,862],{},"整包失败（403\u002F404\u002F空文件）",[835,864,865],{},"部分分片失败、合并后花屏无声",[818,867,868,871,874],{},[835,869,870],{},"排查方向",[835,872,873],{},"请求头、地址有效性、格式",[835,875,876],{},"清单、分片、密钥、合并",[800,878,879,880,888,889,895,896,900,901,905],{},"所以下面这些症状基本只属于直链。如果你的视频其实是 HLS 或 DASH 流，先去对应文章：",[881,882,883],"strong",{},[884,885,887],"a",{"href":886},"\u002Fzh-Hans\u002Fdocs\u002Ftroubleshooting\u002Fm3u8-download-failed","M3U8（HLS）下载失败排查"," 或 ",[881,890,891],{},[884,892,894],{"href":893},"\u002Fzh-Hans\u002Fdocs\u002Ftroubleshooting\u002Fdash-no-audio","DASH 下载后无声排查","。直链的检测与格式范围见 ",[884,897,899],{"href":898},"\u002Fzh-Hans\u002Fdocs\u002Ffeatures\u002Fvideo-sniffing#%E6%94%AF%E6%8C%81%E7%9A%84%E8%A7%86%E9%A2%91%E6%A0%BC%E5%BC%8F","视频嗅探 — 支持的视频格式"," 和 ",[884,902,904],{"href":903},"\u002Fzh-Hans\u002Fdocs\u002Ffeatures\u002Fvideo-sniffing#%E7%9B%B4%E6%8E%A5%E8%A7%86%E9%A2%91%E6%96%87%E4%BB%B6","视频嗅探 — 直接视频文件","。",[804,907,908],{"id":908},"快速处理",[800,910,911],{},"先按这套流程走一遍，能解决八成问题：",[913,914,915,923,930],"ol",{},[916,917,918,919,922],"li",{},"打开视频",[881,920,921],{},"实际播放","的网页，播放几秒，确保视频真的加载了。",[916,924,925,926,929],{},"打开 FlowPick 扩展，从资源列表里挑",[881,927,928],{},"视频文件","，别选缩略图或封面。",[916,931,932],{},"确认右侧预览能正常播放，格式无误后点下载。",[800,934,935],{},[936,937],"img",{"alt":938,"src":939},"直链下载界面","\u002Fscreenshots\u002Fdirect-video-download.png",[800,941,942,943,905],{},"如果还是不行，按下面的症状对号入座。关于扩展里怎么选文件、怎么保存目录，见 ",[884,944,946],{"href":945},"\u002Fzh-Hans\u002Fdocs\u002Fgetting-started\u002Fusage#%E4%B8%8B%E8%BD%BD%E5%8D%95%E4%B8%AA%E8%B5%84%E6%BA%90","使用方法 — 下载单个资源",[804,948,950],{"id":949},"症状一403-forbidden","症状一：403 Forbidden",[800,952,953,956],{},[881,954,955],{},"现象","：下载立刻失败，或者用浏览器直接打开这个地址也是 403。",[800,958,959,960,963],{},"直链视频很少真的\"没权限\"，大多是",[881,961,962],{},"请求头不对","。源站常见的校验有：",[965,966,967,973,979,990],"ul",{},[916,968,969,972],{},[881,970,971],{},"Referer 校验","：要求请求来自特定页面，空 Referer 或陌生来源直接拒绝。",[916,974,975,978],{},[881,976,977],{},"Cookie \u002F 登录态","：没带登录 Cookie，或登录态已过期。",[916,980,981,984,985,989],{},[881,982,983],{},"临时令牌","：URL 里带 ",[986,987,988],"code",{},"?token=xxx&expires=yyy","，过期后返回 403。",[916,991,992,995],{},[881,993,994],{},"地区 \u002F IP 限制","：CDN 按出口 IP 决定给不给。",[800,997,998],{},"先抓出直链地址，用 curl 复现一下（把地址换成你自己的）：",[1000,1001,1006],"pre",{"className":1002,"code":1003,"language":1004,"meta":1005,"style":1005},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","# 不带任何头的裸请求，看返回什么\ncurl -s -o \u002Fdev\u002Fnull -w \"裸请求: %{http_code}\\n\" \"https:\u002F\u002Fcdn.example.com\u002Fvideos\u002Flesson1.mp4\"\n\n# 带上页面 Referer 再试\ncurl -s -o \u002Fdev\u002Fnull -w \"带Referer: %{http_code}\\n\" \\\n  -H \"Referer: https:\u002F\u002Fwww.example.com\u002Fcourse\u002F123\" \\\n  \"https:\u002F\u002Fcdn.example.com\u002Fvideos\u002Flesson1.mp4\"\n","bash","",[986,1007,1008,1017,1055,1062,1068,1092,1107],{"__ignoreMap":1005},[1009,1010,1013],"span",{"class":1011,"line":1012},"line",1,[1009,1014,1016],{"class":1015},"sHwdD","# 不带任何头的裸请求，看返回什么\n",[1009,1018,1020,1024,1028,1031,1034,1037,1041,1044,1047,1049,1052],{"class":1011,"line":1019},2,[1009,1021,1023],{"class":1022},"sBMFI","curl",[1009,1025,1027],{"class":1026},"sfazB"," -s",[1009,1029,1030],{"class":1026}," -o",[1009,1032,1033],{"class":1026}," \u002Fdev\u002Fnull",[1009,1035,1036],{"class":1026}," -w",[1009,1038,1040],{"class":1039},"sMK4o"," \"",[1009,1042,1043],{"class":1026},"裸请求: %{http_code}\\n",[1009,1045,1046],{"class":1039},"\"",[1009,1048,1040],{"class":1039},[1009,1050,1051],{"class":1026},"https:\u002F\u002Fcdn.example.com\u002Fvideos\u002Flesson1.mp4",[1009,1053,1054],{"class":1039},"\"\n",[1009,1056,1058],{"class":1011,"line":1057},3,[1009,1059,1061],{"emptyLinePlaceholder":1060},true,"\n",[1009,1063,1065],{"class":1011,"line":1064},4,[1009,1066,1067],{"class":1015},"# 带上页面 Referer 再试\n",[1009,1069,1071,1073,1075,1077,1079,1081,1083,1086,1088],{"class":1011,"line":1070},5,[1009,1072,1023],{"class":1022},[1009,1074,1027],{"class":1026},[1009,1076,1030],{"class":1026},[1009,1078,1033],{"class":1026},[1009,1080,1036],{"class":1026},[1009,1082,1040],{"class":1039},[1009,1084,1085],{"class":1026},"带Referer: %{http_code}\\n",[1009,1087,1046],{"class":1039},[1009,1089,1091],{"class":1090},"sTEyZ"," \\\n",[1009,1093,1095,1098,1100,1103,1105],{"class":1011,"line":1094},6,[1009,1096,1097],{"class":1026},"  -H",[1009,1099,1040],{"class":1039},[1009,1101,1102],{"class":1026},"Referer: https:\u002F\u002Fwww.example.com\u002Fcourse\u002F123",[1009,1104,1046],{"class":1039},[1009,1106,1091],{"class":1090},[1009,1108,1110,1113,1115],{"class":1011,"line":1109},7,[1009,1111,1112],{"class":1039},"  \"",[1009,1114,1051],{"class":1026},[1009,1116,1054],{"class":1039},[800,1118,1119,1120,1123,1124,1128,1129,905],{},"如果带 Referer 就好了，说明是防盗链校验。",[881,1121,1122],{},"在浏览器扩展里解决","：扩展运行在源页面上下文，Referer 和 Cookie 自动带上，v1.1.1 之后的版本还内置了防盗链代理，预览和下载都会自动补齐请求头并校验响应，不会把 HTML 错误页当视频存下来。在线工具没有这个能力——它运行在自己的域名下，带不了目标站点的 Cookie。升级方法见 ",[884,1125,1127],{"href":1126},"\u002Fzh-Hans\u002Fdocs\u002Fgetting-started\u002Finstallation#%E6%89%A9%E5%B1%95%E6%9B%B4%E6%96%B0","安装指南 — 扩展更新","，防盗链代理的细节见 ",[884,1130,1132],{"href":1131},"\u002Fzh-Hans\u002Fblog\u002Fflowpick-v1-1-1-protected-resource-preview-download","FlowPick v1.1.1 更新",[804,1134,1136],{"id":1135},"症状二404-地址过期或文件已删除","症状二：404 地址过期或文件已删除",[800,1138,1139,1141],{},[881,1140,955],{},"：之前明明能下，今天 404；或者别人发的直链下不了。",[800,1143,1144],{},"常见三种情况：",[965,1146,1147,1153,1159],{},[916,1148,1149,1152],{},[881,1150,1151],{},"临时签名 URL 过期","：很多云存储（阿里云 OSS、腾讯云 COS 等）的直链带有效期，过几分钟到几小时就失效。",[916,1154,1155,1158],{},[881,1156,1157],{},"文件被清理","：上传者删了文件，或 CDN 缓存被清掉。",[916,1160,1161,1164],{},[881,1162,1163],{},"拿到了错误的地址","：复制的是播放页地址，不是文件直链。",[800,1166,1167],{},"验证一下地址本身是不是活着：",[1000,1169,1171],{"className":1002,"code":1170,"language":1004,"meta":1005,"style":1005},"curl -sI \"https:\u002F\u002Fcdn.example.com\u002Fvideos\u002Flesson1.mp4\" | head -n 8\n",[986,1172,1173],{"__ignoreMap":1005},[1009,1174,1175,1177,1180,1182,1184,1186,1189,1192,1195],{"class":1011,"line":1012},[1009,1176,1023],{"class":1022},[1009,1178,1179],{"class":1026}," -sI",[1009,1181,1040],{"class":1039},[1009,1183,1051],{"class":1026},[1009,1185,1046],{"class":1039},[1009,1187,1188],{"class":1039}," |",[1009,1190,1191],{"class":1022}," head",[1009,1193,1194],{"class":1026}," -n",[1009,1196,1198],{"class":1197},"sbssI"," 8\n",[800,1200,1201,1202,1205,1206,1208,1209,1212,1213,1216],{},"看返回的状态码和 ",[986,1203,1204],{},"Content-Type","。如果 ",[986,1207,1204],{}," 是 ",[986,1210,1211],{},"text\u002Fhtml","，说明这个地址指向的是一个网页而不是视频。地址真的失效就没办法——",[881,1214,1215],{},"回到原视频页面重新检测一次","，拿新的直链再下。",[804,1218,1220],{"id":1219},"症状三cors-跨域拦截","症状三：CORS 跨域拦截",[800,1222,1223,1225],{},[881,1224,955],{},"：在线工具报 CORS 错误，或者下载出来的文件是坏的。",[800,1227,1228,1229,1231,1232,1235,1236,900,1240,905],{},"这是",[881,1230,559],{},"特有的问题。在线工具跑在 ",[986,1233,1234],{},"flowpick.com"," 自己的域名下，浏览器同源策略会拦住跨域读取。扩展不一样，它拿的是扩展权限，不受同源策略限制，检测范围也更广。两者差异见 ",[884,1237,1239],{"href":1238},"\u002Fzh-Hans\u002Fdocs\u002Fadvanced\u002Fonline-tools#%E4%B8%8E%E6%89%A9%E5%B1%95%E7%9A%84%E5%8C%BA%E5%88%AB","在线工具 — 与扩展的区别",[884,1241,1243],{"href":1242},"\u002Fzh-Hans\u002Fdocs\u002Ffeatures\u002Fvideo-sniffing#%E6%89%A9%E5%B1%95%E4%B8%8E%E5%9C%A8%E7%BA%BF%E5%B7%A5%E5%85%B7%E7%9A%84%E6%A3%80%E6%B5%8B%E5%B7%AE%E5%BC%82","视频嗅探 — 扩展与在线工具的检测差异",[800,1245,1246,1247,1250],{},"解决办法就一句：",[881,1248,1249],{},"别用在线工具下直链，改用扩展","。扩展在视频原页面里工作，Referer、Cookie、跨域问题一次全解决。",[804,1252,1254],{"id":1253},"症状四下载到的是空文件或打不开","症状四：下载到的是空文件或打不开",[800,1256,1257,1259],{},[881,1258,955],{},"：下载\"成功\"，但文件只有几 KB，或者播放器打不开。",[800,1261,1262,1263,1266,1267,1208,1269,888,1271,905],{},"十有八九是",[881,1264,1265],{},"选错对象","了：选中的不是视频文件，而是 HTML 页面、缩略图、封面图或预览接口的响应。这类响应的特征是体积很小，且 ",[986,1268,1204],{},[986,1270,1211],{},[986,1272,1273],{},"image\u002F*",[800,1275,1276],{},"用 curl 看这个地址到底返回什么：",[1000,1278,1280],{"className":1002,"code":1279,"language":1004,"meta":1005,"style":1005},"curl -sI \"https:\u002F\u002Fcdn.example.com\u002Fcover\u002Flesson1.jpg\"\n# 看 Content-Type 和 Content-Length\n",[986,1281,1282,1295],{"__ignoreMap":1005},[1009,1283,1284,1286,1288,1290,1293],{"class":1011,"line":1012},[1009,1285,1023],{"class":1022},[1009,1287,1179],{"class":1026},[1009,1289,1040],{"class":1039},[1009,1291,1292],{"class":1026},"https:\u002F\u002Fcdn.example.com\u002Fcover\u002Flesson1.jpg",[1009,1294,1054],{"class":1039},[1009,1296,1297],{"class":1011,"line":1019},[1009,1298,1299],{"class":1015},"# 看 Content-Type 和 Content-Length\n",[800,1301,1302,1303,1305,1306,1309,1310,1313,1314,1317,1318,1321],{},"如果指向的是 ",[986,1304,1211],{},"，那它只是个网页。回到扩展，从资源列表里选 ",[986,1307,1308],{},"video\u002Fmp4","、",[986,1311,1312],{},"video\u002Fwebm"," 这类 ",[986,1315,1316],{},"video\u002F*"," 类型的条目，再确认右侧预览能播放后再下载。如果文件名带乱码或者不带扩展名，下载后手动补上 ",[986,1319,1320],{},".mp4"," 再试。",[804,1323,1325],{"id":1324},"症状五无法暂停无法断点续传","症状五：无法暂停、无法断点续传",[800,1327,1328,1330],{},[881,1329,955],{},"：下载能开始，但点了暂停再继续，又从 0 开始；或者压根没有暂停按钮。",[800,1332,1333,1334,1337],{},"这跟服务器支不支持 ",[881,1335,1336],{},"HTTP Range"," 有关。Range 允许客户端只请求文件的一部分，暂停续传就靠它。服务器没开 Range，浏览器就只能整文件下载，自然没法断点继续。",[800,1339,1340],{},"测一下服务器支不支持：",[1000,1342,1344],{"className":1002,"code":1343,"language":1004,"meta":1005,"style":1005},"curl -s -o \u002Fdev\u002Fnull -w \"Range请求: %{http_code}\\n\" \\\n  -H \"Range: bytes=0-1023\" \\\n  \"https:\u002F\u002Fcdn.example.com\u002Fvideos\u002Flesson1.mp4\"\n# 206 = 支持 Range，可以断点续传\n# 200 = 返回了完整文件，说明不支持 Range\n",[986,1345,1346,1367,1380,1388,1393],{"__ignoreMap":1005},[1009,1347,1348,1350,1352,1354,1356,1358,1360,1363,1365],{"class":1011,"line":1012},[1009,1349,1023],{"class":1022},[1009,1351,1027],{"class":1026},[1009,1353,1030],{"class":1026},[1009,1355,1033],{"class":1026},[1009,1357,1036],{"class":1026},[1009,1359,1040],{"class":1039},[1009,1361,1362],{"class":1026},"Range请求: %{http_code}\\n",[1009,1364,1046],{"class":1039},[1009,1366,1091],{"class":1090},[1009,1368,1369,1371,1373,1376,1378],{"class":1011,"line":1019},[1009,1370,1097],{"class":1026},[1009,1372,1040],{"class":1039},[1009,1374,1375],{"class":1026},"Range: bytes=0-1023",[1009,1377,1046],{"class":1039},[1009,1379,1091],{"class":1090},[1009,1381,1382,1384,1386],{"class":1011,"line":1057},[1009,1383,1112],{"class":1039},[1009,1385,1051],{"class":1026},[1009,1387,1054],{"class":1039},[1009,1389,1390],{"class":1011,"line":1064},[1009,1391,1392],{"class":1015},"# 206 = 支持 Range，可以断点续传\n",[1009,1394,1395],{"class":1011,"line":1070},[1009,1396,1397],{"class":1015},"# 200 = 返回了完整文件，说明不支持 Range\n",[800,1399,1400,1401,1404,1405,1408,1409,1412],{},"返回 ",[986,1402,1403],{},"206"," 说明支持；返回 ",[986,1406,1407],{},"200","（完整文件）则不支持。",[881,1410,1411],{},"不支持也照样能下载","，只是不能断点继续，网络不好的时候建议一次下完别中断。这是服务器能力问题，不是工具问题。",[804,1414,1416],{"id":1415},"症状六格式或编码不支持","症状六：格式或编码不支持",[800,1418,1419,1421],{},[881,1420,955],{},"：文件下下来了，体积正常，但播放器报\"格式不支持\"或黑屏。",[800,1423,1424,1425,1428,1429,1432,1433,1435],{},"先分清",[881,1426,1427],{},"容器","和",[881,1430,1431],{},"编码","两个概念：",[986,1434,1320],{}," 是容器，里面装的可能是 H.264，也可能是 H.265\u002FHEVC 或 AV1。容器支持不等于编码支持，播放器要能解码里面那层编码才能放出来。常见坑：",[812,1437,1438,1451],{},[815,1439,1440],{},[818,1441,1442,1445,1448],{},[821,1443,1444],{},"情况",[821,1446,1447],{},"表现",[821,1449,1450],{},"处理",[830,1452,1453,1464,1475],{},[818,1454,1455,1458,1461],{},[835,1456,1457],{},"MP4 内是 H.265\u002FHEVC",[835,1459,1460],{},"老播放器黑屏",[835,1462,1463],{},"转成 H.264 或换播放器",[818,1465,1466,1469,1472],{},[835,1467,1468],{},"WebM 内是 AV1",[835,1470,1471],{},"硬件解码不支持",[835,1473,1474],{},"转成 H.264\u002FVP9",[818,1476,1477,1480,1483],{},[835,1478,1479],{},"高清直链很大",[835,1481,1482],{},"浏览器内存吃紧",[835,1484,1485],{},"见下一节",[800,1487,1488,1489,1492,1493,905],{},"检测和下载直链时 FlowPick 会读出编码信息。如果确认是编码不支持，用 ",[884,1490,538],{"href":1491},"\u002Fzh-Hans\u002Fdocs\u002Ffeatures\u002Fformat-conversion#%E8%BE%93%E5%87%BA%E6%A0%BC%E5%BC%8F%E9%80%89%E6%8B%A9%E6%8C%87%E5%8D%97"," 转成兼容性更好的 H.264 MP4 即可。你的播放器到底支持什么，可以参考 ",[884,1494,563],{"href":1495},"\u002Fzh-Hans\u002Fdocs\u002Fadvanced\u002Fbrowser-compatibility",[804,1497,1499],{"id":1498},"症状七大文件或浏览器卡住","症状七：大文件或浏览器卡住",[800,1501,1502,1504],{},[881,1503,955],{},"：几百 MB 的直链下载到一半页面卡死，或下载完后浏览器明显变卡。",[800,1506,1507,1508,1511,1512,1516,1517,905],{},"浏览器里存文件要过内存。FlowPick 优先走 ",[881,1509,1510],{},"File System Access API","（选目录后流式写入，不占内存），不支持时退回 StreamSaver 或 Blob。其中 Blob 模式要把整个文件先装进内存，大文件就可能卡住。Blob 模式的具体硬限制见 ",[884,1513,1515],{"href":1514},"\u002Fzh-Hans\u002Fdocs\u002Ftroubleshooting\u002Fknown-issues#blob-%E6%A8%A1%E5%BC%8F%E7%A1%AC%E9%99%90%E5%88%B6","已知限制 — Blob 模式硬限制","，对应的已知问题见 ",[884,1518,1520],{"href":1519},"\u002Fzh-Hans\u002Fdocs\u002Ftroubleshooting\u002Fknown-issues#%E5%A4%A7%E6%96%87%E4%BB%B6-blob-%E4%B8%8B%E8%BD%BD%E5%8F%AF%E8%83%BD%E5%8D%A1%E4%BD%8F","已知限制 — 大文件 Blob 下载可能卡住",[800,1522,1523],{},"对策：",[965,1525,1526,1532,1535],{},[916,1527,1528,1531],{},[881,1529,1530],{},"优先选\"选择保存目录\"","，触发 File System Access API，大文件也能流式写。",[916,1533,1534],{},"没这个按钮的浏览器（或移动端），把视频切到较低画质再下。",[916,1536,1537],{},"实在要下大文件，一次只下这一个，别同时挂一堆下载。",[804,1539,1540],{"id":1540},"诊断工具速查",[800,1542,1543,1546],{},[986,1544,1545],{},"F12"," 打开开发者工具，按这张表快速定位：",[812,1548,1549,1562],{},[815,1550,1551],{},[818,1552,1553,1556,1559],{},[821,1554,1555],{},"想确认什么",[821,1557,1558],{},"面板",[821,1560,1561],{},"做法",[830,1563,1564,1583,1598,1609],{},[818,1565,1566,1569,1572],{},[835,1567,1568],{},"直链请求返回几",[835,1570,1571],{},"Network",[835,1573,1574,1575,1578,1579,1582],{},"筛选 ",[986,1576,1577],{},"mp4"," \u002F ",[986,1580,1581],{},"webm","，看 Status 列",[818,1584,1585,1588,1590],{},[835,1586,1587],{},"返回的是不是视频",[835,1589,1571],{},[835,1591,1592,1593,1595,1596],{},"看响应头的 ",[986,1594,1204],{}," 是否为 ",[986,1597,1316],{},[818,1599,1600,1603,1606],{},[835,1601,1602],{},"有没有带 Referer\u002FCookie",[835,1604,1605],{},"Network → 请求 → Headers",[835,1607,1608],{},"看 Request Headers",[818,1610,1611,1614,1616],{},[835,1612,1613],{},"是不是被 CDN 限速",[835,1615,1571],{},[835,1617,1618],{},"看单个请求的耗时和下载速度",[800,1620,1621],{},[936,1622],{"alt":1623,"src":1624},"开发者工具诊断","\u002Fscreenshots\u002Fdev-console.png",[800,1626,1627],{},"如果你怀疑是浏览器环境问题，在 Console 里跑这段生成环境报告，反馈时贴出来：",[1000,1629,1633],{"className":1630,"code":1631,"language":1632,"meta":1005,"style":1005},"language-javascript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","const report = {\n  ua: navigator.userAgent,\n  fsa: 'showDirectoryPicker' in window,\n  sab: typeof SharedArrayBuffer !== 'undefined',\n  coi: self.crossOriginIsolated,\n  storage: await navigator.storage?.estimate().catch(() => null),\n  ts: new Date().toISOString(),\n}\nconsole.log(JSON.stringify(report, null, 2))\n","javascript",[986,1634,1635,1640,1645,1650,1655,1660,1665,1670,1676],{"__ignoreMap":1005},[1009,1636,1637],{"class":1011,"line":1012},[1009,1638,1639],{},"const report = {\n",[1009,1641,1642],{"class":1011,"line":1019},[1009,1643,1644],{},"  ua: navigator.userAgent,\n",[1009,1646,1647],{"class":1011,"line":1057},[1009,1648,1649],{},"  fsa: 'showDirectoryPicker' in window,\n",[1009,1651,1652],{"class":1011,"line":1064},[1009,1653,1654],{},"  sab: typeof SharedArrayBuffer !== 'undefined',\n",[1009,1656,1657],{"class":1011,"line":1070},[1009,1658,1659],{},"  coi: self.crossOriginIsolated,\n",[1009,1661,1662],{"class":1011,"line":1094},[1009,1663,1664],{},"  storage: await navigator.storage?.estimate().catch(() => null),\n",[1009,1666,1667],{"class":1011,"line":1109},[1009,1668,1669],{},"  ts: new Date().toISOString(),\n",[1009,1671,1673],{"class":1011,"line":1672},8,[1009,1674,1675],{},"}\n",[1009,1677,1679],{"class":1011,"line":1678},9,[1009,1680,1681],{},"console.log(JSON.stringify(report, null, 2))\n",[800,1683,1684],{},"报告只含浏览器环境信息，不涉及任何浏览记录或个人数据。",[804,1686,1687],{"id":1687},"什么时候真的下不了",[965,1689,1690,1696,1702,1708],{},[916,1691,1692,1695],{},[881,1693,1694],{},"DRM 保护","：Widevine \u002F PlayReady \u002F FairPlay 加密的内容，FlowPick 明确不支持，也不做破解。",[916,1697,1698,1701],{},[881,1699,1700],{},"登录或付费墙","：不登录\u002F不购买就拿不到直链地址的内容。",[916,1703,1704,1707],{},[881,1705,1706],{},"接口私有化","：视频数据走私有协议或需要应用内签名，不发普通直链。",[916,1709,1710,1713],{},[881,1711,1712],{},"地址永久失效","：源站已删除文件。",[800,1715,1716,1717,1720,1721,905],{},"这些是",[881,1718,1719],{},"设计上不支持","，不是 bug。遇到就换个思路：录屏或联系内容方获取授权。更完整的边界清单见 ",[884,1722,1724],{"href":1723},"\u002Fzh-Hans\u002Fdocs\u002Ftroubleshooting\u002Fknown-issues","已知限制",[804,1726,1727],{"id":1727},"相关文档",[965,1729,1730,1737,1742,1747,1752,1758,1763],{},[916,1731,1732,1736],{},[884,1733,1735],{"href":1734},"\u002Fvideo-downloader","视频下载器"," — 在线工具，适合无防盗链的直链",[916,1738,1739,1741],{},[884,1740,904],{"href":903}," — 直链检测原理与格式范围",[916,1743,1744,1746],{},[884,1745,887],{"href":886}," — 分片流专属问题",[916,1748,1749,1751],{},[884,1750,894],{"href":893}," — MPD 音视频分轨问题",[916,1753,1754,1757],{},[884,1755,538],{"href":1756},"\u002Fzh-Hans\u002Fdocs\u002Ffeatures\u002Fformat-conversion"," — 编码不支持时转码",[916,1759,1760,1762],{},[884,1761,1724],{"href":1723}," — Blob 硬限制、CORS 等边界",[916,1764,1765,1768],{},[884,1766,609],{"href":1767},"\u002Fzh-Hans\u002Fdocs\u002Ftroubleshooting\u002Fcommon-issues"," — 跨场景综合诊断",[1770,1771,1772],"style",{},"html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":1005,"searchDepth":1019,"depth":1019,"links":1774},[1775,1776,1777,1778,1779,1780,1781,1782,1783,1784,1785,1786],{"id":806,"depth":1019,"text":807},{"id":908,"depth":1019,"text":908},{"id":949,"depth":1019,"text":950},{"id":1135,"depth":1019,"text":1136},{"id":1219,"depth":1019,"text":1220},{"id":1253,"depth":1019,"text":1254},{"id":1324,"depth":1019,"text":1325},{"id":1415,"depth":1019,"text":1416},{"id":1498,"depth":1019,"text":1499},{"id":1540,"depth":1019,"text":1540},{"id":1687,"depth":1019,"text":1687},{"id":1727,"depth":1019,"text":1727},"排查视频直链返回 403、404、CORS、空文件、格式不支持、无法断点续传等问题，附带 curl 诊断代码。","md",{"date":1790,"lastModified":1790},"2026-08-17",{"icon":141},{"title":1793,"description":1787},"视频直链下载失败怎么办？MP4、WebM 故障排查 | FlowPick","b312tFgNqrXaFa-VYnlMePtyNluQgVchDn5GDAevMkI",[1796,1798],{"title":625,"path":626,"stem":627,"description":1797,"icon":141,"children":-1},"解决 MPD 或 MPEG-DASH 视频下载后没有声音的问题，涵盖音视频分轨、CORS、DRM 和不完整清单。",{"title":638,"path":639,"stem":640,"description":1799,"icon":181,"children":-1},"如何为 FlowPick 项目贡献代码、文档或反馈问题。",1787670547072]