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				@@ -279,7 +279,7 @@ ffmpeg -i "concat:1.ts|2.ts" -c copy output.mp4 
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				         String param = "channel=" + channel + "&startTime=" + startTime + "&endTime=" + endTime; 
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				         String s = HttpUtils.sendGet(historyUrl + "/api/record/flv/list", param); 
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				         // 视频拼接 
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				-        if (!StringUtils.isBlank(s) || "null".equals(s)) { 
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				+        if (!StringUtils.isBlank(s) && !"null".equals(s) && !s.startsWith("<!DOCTYPE html>")) { 
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				             List<Map<String, Object>> maps = JSON.parseArray(s, Map.class); 
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				             if (ObjectUtils.isEmpty(maps)) { 
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				                 return null; 
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