fix: build script

build.sh

@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 
 # Linux amd64
-CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o ./build/ncmdump_linux_amd64 ncmdump
+CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o ./build/ncmdump_linux_amd64 github.com/taurusxin/ncmdump-go
 
 # macOS amd64
-CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-w -s" -o ./build/ncmdump_darwin_amd64 ncmdump
+CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-w -s" -o ./build/ncmdump_darwin_amd64 github.com/taurusxin/ncmdump-go
 
 # macOS arm64
-CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-w -s" -o ./build/ncmdump_darwin_arm64 ncmdump
+CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-w -s" -o ./build/ncmdump_darwin_arm64 github.com/taurusxin/ncmdump-go
 
 # Windows amd64
-CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-w -s" -o ./build/ncmdump_windows_amd64.exe ncmdump
+CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-w -s" -o ./build/ncmdump_windows_amd64.exe github.com/taurusxin/ncmdump-go

ncmcrypt/ncmcrypt.go

@@ -111,6 +111,7 @@ func (ncm *NeteaseCloudMusic) mimeType() string {
 	return "image/jpeg"
 }
 
+// Dump encrypted ncm file to normal music file. If `targetDir` is "", the converted file will be saved to the original directory.
 func (ncm *NeteaseCloudMusic) Dump(targetDir string) (bool, error) {
 	ncm.mDumpFilePath = ncm.mFilePath
 	var outputStream *os.File
@@ -157,6 +158,8 @@ func (ncm *NeteaseCloudMusic) Dump(targetDir string) (bool, error) {
 	return true, nil
 }
 
+// FixMetadata will fix the missing metadata for target music file, the source of the metadata comes from origin ncm file.
+// Since NeteaseCloudMusic version 3.0, the album cover image is no longer embedded in the ncm file. If the parameter is true, it means downloading the image from the NetEase server and embedding it into the target music file (network connection required)
 func (ncm *NeteaseCloudMusic) FixMetadata(fetchAlbumImageFromRemote bool) (bool, error) {
 	if fetchAlbumImageFromRemote {
 		// get the album pic from url
@@ -226,10 +229,16 @@ func (ncm *NeteaseCloudMusic) FixMetadata(fetchAlbumImageFromRemote bool) (bool,
 	return true, nil
 }
 
+// GetDumpFilePath returns the absolute path of dumped music file
 func (ncm *NeteaseCloudMusic) GetDumpFilePath() string {
+	path, err := filepath.Abs(ncm.mDumpFilePath)
+	if err != nil {
 		return ncm.mDumpFilePath
+	}
+	return path
 }
 
+// NewNeteaseCloudMusic returns a new NeteaseCloudMusic instance, if the format of the file is incorrect, the error will be returned.
 func NewNeteaseCloudMusic(filePath string) (*NeteaseCloudMusic, error) {
 	ncm := &NeteaseCloudMusic{
 		sCoreKey:   [17]byte{0x68, 0x7A, 0x48, 0x52, 0x41, 0x6D, 0x73, 0x6F, 0x35, 0x6B, 0x49, 0x6E, 0x62, 0x61, 0x78, 0x57, 0},