diff --git a/cmd/acp/main.go b/cmd/acp/main.go
index 23cf796..0d8f579 100644
--- a/cmd/acp/main.go
+++ b/cmd/acp/main.go
@@ -73,8 +73,8 @@ func main() {
 		}
 
 		for _, s := range r.NoSpaceSources {
-			logrus.Infof("restore unfinished: base= '%s' relative_path= '%s'", s.Base, s.RelativePath)
-			opts = append(opts, acp.AccurateSource(s.Base, s.RelativePath))
+			logrus.Infof("restore unfinished: base= '%s' relative_path= '%v'", s.Base, s.RelativePaths)
+			opts = append(opts, acp.AccurateSource(s.Base, s.RelativePaths...))
 		}
 	} else {
 		opts = append(opts, acp.Source(sources...))
diff --git a/opt.go b/opt.go
index 449152f..f9a0996 100644
--- a/opt.go
+++ b/opt.go
@@ -89,12 +89,7 @@ type Option func(*option) *option
 func Source(paths ...string) Option {
 	return func(o *option) *option {
 		for _, p := range paths {
-			p = strings.TrimSpace(p)
-			if p == "" {
-				continue
-			}
 			p = path.Clean(p)
-
 			if p[len(p)-1] == '/' {
 				p = p[:len(p)-1]
 			}
@@ -108,12 +103,10 @@ func Source(paths ...string) Option {
 
 func AccurateSource(base string, relativePaths ...string) Option {
 	return func(o *option) *option {
-		for _, p := range relativePaths {
-			p = strings.TrimSpace(p)
-			if p == "" {
-				continue
-			}
+		base = path.Clean(base)
 
+		for _, p := range relativePaths {
+			p = path.Clean(p)
 			if p[len(p)-1] == '/' {
 				p = p[:len(p)-1]
 			}
diff --git a/report.go b/report.go
index f259992..b4a1272 100644
--- a/report.go
+++ b/report.go
@@ -18,7 +18,17 @@ func (c *Copyer) Report() *Report {
 
 	noSpaceSources := make([]*FilePath, 0, len(nss))
 	for _, s := range nss {
-		noSpaceSources = append(noSpaceSources, &FilePath{Base: s.base, RelativePath: s.relativePath})
+		if len(noSpaceSources) == 0 {
+			noSpaceSources = append(noSpaceSources, &FilePath{Base: s.base, RelativePaths: []string{s.relativePath}})
+			continue
+		}
+
+		if last := noSpaceSources[len(noSpaceSources)-1]; last.Base == s.base {
+			last.RelativePaths = append(last.RelativePaths, s.relativePath)
+			continue
+		}
+
+		noSpaceSources = append(noSpaceSources, &FilePath{Base: s.base, RelativePaths: []string{s.relativePath}})
 	}
 
 	return &Report{
@@ -73,8 +83,8 @@ type File struct {
 }
 
 type FilePath struct {
-	Base         string `json:"base,omitempty"`
-	RelativePath string `json:"relative_path,omitempty"`
+	Base          string   `json:"base,omitempty"`
+	RelativePaths []string `json:"relative_paths,omitempty"`
 }
 
 type Report struct {