diff --git a/dict_1.16.go b/dict_1.16.go
index 40e4d0c..1e0f5d8 100644
--- a/dict_1.16.go
+++ b/dict_1.16.go
@@ -93,7 +93,7 @@ func (seg *Segmenter) LoadDictStr(dict string) error {
 		// 将分词添加到字典中
 		words := seg.SplitTextToWords([]byte(text))
 		token := Token{text: words, frequency: frequency, pos: pos}
-		seg.Dict.addToken(token)
+		seg.Dict.AddToken(token)
 	}
 
 	seg.CalcToken()
diff --git a/dict_util.go b/dict_util.go
index b8600e0..66ef5ec 100644
--- a/dict_util.go
+++ b/dict_util.go
@@ -59,7 +59,7 @@ func (seg *Segmenter) AddToken(text string, frequency float64, pos ...string) er
 	words := seg.SplitTextToWords([]byte(text))
 	token := Token{text: words, frequency: frequency, pos: po}
 
-	return seg.Dict.addToken(token)
+	return seg.Dict.AddToken(token)
 }
 
 // AddTokenForce add new text to token and force
@@ -99,7 +99,7 @@ func (seg *Segmenter) LoadDictMap(dict []map[string]string) error {
 
 		words := seg.SplitTextToWords([]byte(d["text"]))
 		token := Token{text: words, frequency: frequency, pos: d["pos"]}
-		seg.Dict.addToken(token)
+		seg.Dict.AddToken(token)
 	}
 
 	seg.CalcToken()
@@ -311,7 +311,7 @@ func (seg *Segmenter) Reader(reader io.Reader, files ...string) error {
 		// 将分词添加到字典中
 		words := seg.SplitTextToWords([]byte(text))
 		token := Token{text: words, frequency: frequency, pos: pos}
-		seg.Dict.addToken(token)
+		seg.Dict.AddToken(token)
 	}
 
 	return nil
diff --git a/dictionary.go b/dictionary.go
index df03744..bc770b4 100755
--- a/dictionary.go
+++ b/dictionary.go
@@ -47,8 +47,8 @@ func (dict *Dictionary) TotalFreq() float64 {
 	return dict.totalFrequency
 }
 
-// addToken 向词典中加入一个分词
-func (dict *Dictionary) addToken(token Token) error {
+// AddToken 向词典中加入一个分词
+func (dict *Dictionary) AddToken(token Token) error {
 	bytes := textSliceToBytes(token.text)
 	val, err := dict.trie.Get(bytes)
 	if err == nil || val > 0 {