diff --git a/backend/union/policy/policy.go b/backend/union/policy/policy.go
index 57ec04ac9..b31f0749b 100644
--- a/backend/union/policy/policy.go
+++ b/backend/union/policy/policy.go
@@ -111,7 +111,7 @@ func findEntry(ctx context.Context, f fs.Fs, remote string) fs.DirEntry {
 			return nil
 		}
 		// random modtime for root
-    	randomNow := time.Unix(time.Now().Unix() - rand.Int63n(10000), 0)
+		randomNow := time.Unix(time.Now().Unix() - rand.Int63n(10000), 0)
 		return fs.NewDir("", randomNow)
 	}
 	found := false
diff --git a/backend/union/union.go b/backend/union/union.go
index ebfd607ce..4265b5c6e 100644
--- a/backend/union/union.go
+++ b/backend/union/union.go
@@ -250,7 +250,7 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	errs := make([]error, len(entries))
 	multithread(len(entries), func(i int){
 		u := entries[i].UpstreamFs()
-        o, ok := entries[i].(*upstream.Object);
+		o, ok := entries[i].(*upstream.Object);
 		if !ok {
 			errs[i] = fs.ErrorNotAFile
 			return
@@ -390,7 +390,7 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, stream bo
 	}
 	go func() {
 		mw := io.MultiWriter(writers...)
-        io.Copy(mw, in)
+		io.Copy(mw, in)
 		for _, bw := range writers {
 			bw.(*bufio.Writer).Flush()
 		}
diff --git a/backend/union/upstream/upstream.go b/backend/union/upstream/upstream.go
index db4e92765..03973ee1a 100644
--- a/backend/union/upstream/upstream.go
+++ b/backend/union/upstream/upstream.go
@@ -21,10 +21,10 @@ var (
 )
 
 const (
-    unInitilized uint32 = iota
-    initilizing
-    normal
-    updating
+	unInitilized uint32 = iota
+	initilizing
+	normal
+	updating
 )
 
 // Fs is a wrap of any fs and its configs