优化识别

src/main/java/com/iden/common/videotool/VideoTool.java

@@ -34,7 +34,7 @@ public class VideoTool {
 
         //每秒多少帧
         int framRate = 1;
-        String cmd = ffmpegPath +  " -y -i " + videoFilePath + " -r " + framRate + " " + saveTmpDir + "%08d.jpg";
+        String cmd = ffmpegPath +  " -y -i " + videoFilePath + " -r " + framRate + " " + saveTmpDir + "/%08d.jpg";
 
         log.info("start fetchAllPic：" + cmd);
         Runtime.getRuntime().exec(cmd);