diff --git a/dsSupport/ConvertMovie/Convert.go b/dsSupport/ConvertMovie/Convert.go
index cf2852d9..83691507 100644
--- a/dsSupport/ConvertMovie/Convert.go
+++ b/dsSupport/ConvertMovie/Convert.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"dsSupport/Utils/ConvertUtil"
+	"fmt"
 )
 
 func main() {
@@ -16,10 +17,11 @@ func main() {
 	for i := range childMovie {
 		ConvertUtil.ConvertToH264Mp4(childMovie[i])
 	}
-	////3、生成拼接的索引文件
-	//indexName := ConvertUtil.GenerateIndexTxt(source, childMovie)
-	////4、合成MP4
-	//ConvertUtil.Merge(source, indexName)
+	//3、生成拼接的索引文件
+	indexName := ConvertUtil.GenerateIndexTxt(source, childMovie)
+	fmt.Println(indexName)
+	//4、合成MP4
+	ConvertUtil.Merge(source)
 	//5、清除垃圾
-	//ConvertUtil.ClearRubbish(source)
+	ConvertUtil.ClearRubbish(source)
 }
diff --git a/dsSupport/Utils/ShellUtil/ShellUtil.go b/dsSupport/Utils/CommonUtil/CommonUtil.go
similarity index 64%
rename from dsSupport/Utils/ShellUtil/ShellUtil.go
rename to dsSupport/Utils/CommonUtil/CommonUtil.go
index 4c2f2847..d0455138 100644
--- a/dsSupport/Utils/ShellUtil/ShellUtil.go
+++ b/dsSupport/Utils/CommonUtil/CommonUtil.go
@@ -1,4 +1,4 @@
-package ShellUtil
+package CommonUtil
 
 import (
 	"bufio"
@@ -8,26 +8,6 @@ import (
 	"os/exec"
 )
 
-//
-////封装一个函数来执行命令
-//func ExecCommand(cmdLine string)  {
-//	cmd := exec.Command("cmd.exe", "/c",  cmdLine)
-//	err := cmd.Run()
-//
-//	var out bytes.Buffer
-//	var stderr bytes.Buffer
-//	cmd.Stdout = &out
-//	cmd.Stderr = &stderr
-//	if err := cmd.Run(); err != nil {
-//		fmt.Println(fmt.Sprint(err) + ": " + stderr.String())
-//	}
-//	fmt.Println("Result: " + out.String())
-//
-//	cmd.Wait()
-//	fmt.Printf("%s, error:%v \n", cmdLine, err)
-//}
-
-
 /**
 功能：带回显的执行DOS命令
 作者：黄海
diff --git a/dsSupport/Utils/ConvertUtil/ConvertUtil.go b/dsSupport/Utils/ConvertUtil/ConvertUtil.go
index 1b2d3cfe..1068a355 100644
--- a/dsSupport/Utils/ConvertUtil/ConvertUtil.go
+++ b/dsSupport/Utils/ConvertUtil/ConvertUtil.go
@@ -2,7 +2,7 @@ package ConvertUtil
 
 import (
 	"dsSupport/Utils/FileUtil"
-	"dsSupport/Utils/ShellUtil"
+	"dsSupport/Utils/CommonUtil"
 	"fmt"
 	"os"
 	"path"
@@ -62,7 +62,7 @@ func Cut(source string) {
 	//3、输出的文件通配名称
 	targetPath := getPath(source, CutPath) + source[0:36] + `_%03d` + extension
 	//4、切片
-	ShellUtil.Exec(ffmpeg, `-fflags`, `+genpts`, `-i`, sourcePath,
+	CommonUtil.Exec(ffmpeg, `-fflags`, `+genpts`, `-i`, sourcePath,
 		`-acodec`, `copy`, `-vcodec`, `copy`, `-f`, `segment`, `-segment_time`,
 		`300`, `-reset_timestamps`, `1`, `-map`, `0:0`, `-map`, `0:1`, targetPath)
 }
@@ -92,7 +92,7 @@ func GetAllCutChild(source string) []string {
 func ConvertToH264Mp4(childMovie string) {
 	extension := path.Ext(childMovie)
 	childMovieMp4 := strings.Replace(filepath.Base(childMovie), extension, ".mp4", -1)
-	ShellUtil.Exec(ffmpeg, `-i`, childMovie, `-c:v`, `libx264`, `-strict`, `-2`,
+	CommonUtil.Exec(ffmpeg, `-i`, childMovie, `-c:v`, `libx264`, `-strict`, `-2`,
 		getPath(childMovieMp4, Mp4Path)+childMovieMp4)
 }
 
@@ -110,7 +110,7 @@ func GenerateIndexTxt(source string, childMovie []string) string {
 		content = append(content, `file '`+filenameWithSuffix+`'`)
 	}
 	//文件位置
-	indexName := runDir + `/Working/` + source[0:2] + "/" + source[0:36] + "/" + source[0:36] + ".txt"
+	indexName := getPath(source,IndexPath) + source[0:36] + ".txt"
 	FileUtil.WriteLines(content, indexName)
 	return indexName
 }
@@ -120,7 +120,8 @@ func GenerateIndexTxt(source string, childMovie []string) string {
 作者：黄海
 时间：2020-07-08
 */
-func Merge(source string, indexName string) {
+func Merge(source string) {
+	indexName:=getPath(source,IndexPath)+source[0:36]+".txt"
 	Target := runDir + `/Target/` + source[0:2] + "/"
 	if !FileUtil.Exists(Target) {
 		os.Mkdir(Target, os.ModePerm)
@@ -129,7 +130,12 @@ func Merge(source string, indexName string) {
 	if !FileUtil.Exists(Target) {
 		os.Mkdir(Target, os.ModePerm)
 	}
-	ShellUtil.Exec(ffmpeg, `-f`, `concat`, `-i`, indexName, `-c`, `copy`, Target+"/"+source[0:36]+".mp4")
+	if FileUtil.Exists(Target+"/"+source[0:36]+".mp4"){
+		//删除
+		os.Remove(Target+"/"+source[0:36]+".mp4")
+	}
+	//合并
+	CommonUtil.Exec(ffmpeg, `-f`, `concat`, `-i`, indexName, `-c`, `copy`, Target+"/"+source[0:36]+".mp4")
 }
 
 /**
diff --git a/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Index/B7318F5D-46B8-4AA1-8811-1A9D65528E19.txt b/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Index/B7318F5D-46B8-4AA1-8811-1A9D65528E19.txt
new file mode 100644
index 00000000..386cbe2b
--- /dev/null
+++ b/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Index/B7318F5D-46B8-4AA1-8811-1A9D65528E19.txt
@@ -0,0 +1,2 @@
+file 'B7318F5D-46B8-4AA1-8811-1A9D65528E19_000.mp4'
+file 'B7318F5D-46B8-4AA1-8811-1A9D65528E19_001.mp4'
diff --git a/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_000.mp4 b/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_000.mp4
index 2f1ed376..e90d1f06 100644
Binary files a/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_000.mp4 and b/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_000.mp4 differ
diff --git a/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_001.mp4 b/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_001.mp4
new file mode 100644
index 00000000..6ca91b8b
Binary files /dev/null and b/dsSupport/Working/B7/B7318F5D-46B8-4AA1-8811-1A9D65528E19/Mp4/B7318F5D-46B8-4AA1-8811-1A9D65528E19_001.mp4 differ