diff --git a/.travis.yml b/.travis.yml
index e070646..6f363f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,3 @@
 language: go
 go:
-  - 1.4.1
+  - 1.4.2
diff --git a/README.md b/README.md
index 85bf34b..da9a5cb 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@
     var sentence = "我爱北京天安门"
 
     func main() {
-        jiebago.SetDictionary("/Path/to/default/dictionary/file")
+        posseg.SetDictionary("/Path/to/default/dictionary/file")
         for _, wt := range posseg.Cut(sentence, true) {
             fmt.Printf("%s %s\n", wt.Word, wt.Tag)
         }
@@ -195,4 +195,4 @@ Tokenize
 
 许可证
 ======
-MIT: http://wangbin.mit-license.org
\ No newline at end of file
+MIT: http://wangbin.mit-license.org
diff --git a/posseg/posseg.go b/posseg/posseg.go
index f5d47db..907c9e9 100644
--- a/posseg/posseg.go
+++ b/posseg/posseg.go
@@ -37,7 +37,7 @@ func SetDictionary(dictFileName string) error {
 	return nil
 }
 
-func __cut(sentence string) []WordTag {
+func cutDetailInternal(sentence string) []WordTag {
 	result := make([]WordTag, 0)
 	runes := []rune(sentence)
 	_, posList := Viterbi(runes)
@@ -67,7 +67,7 @@ func cutDetail(sentence string) []WordTag {
 	blocks := jiebago.RegexpSplit(reHanDetail, sentence)
 	for _, blk := range blocks {
 		if reHanDetail.MatchString(blk) {
-			for _, wordTag := range __cut(blk) {
+			for _, wordTag := range cutDetailInternal(blk) {
 				result = append(result, wordTag)
 			}
 		} else {