diff --git a/addition-dictionary/STCharacters.txt b/addition-dictionary/STCharacters.txt
index a14d957..162f533 100644
--- a/addition-dictionary/STCharacters.txt
+++ b/addition-dictionary/STCharacters.txt
@@ -1,2 +1 @@
-厘 厘
-佣 佣
\ No newline at end of file
+厘	厘
diff --git a/addition-dictionary/STPhrases.txt b/addition-dictionary/STPhrases.txt
index c88dbea..055bbdb 100644
--- a/addition-dictionary/STPhrases.txt
+++ b/addition-dictionary/STPhrases.txt
@@ -6,5 +6,4 @@
 公厘	公厘
 厘米	厘米
 汇总	匯總
-开户 開戶
-佣金 佣金
\ No newline at end of file
+开户 開戶
\ No newline at end of file
diff --git a/dictionary/HKPhrasesFinance.txt b/dictionary/HKPhrasesFinance.txt
index e8b3a47..e9f2508 100644
--- a/dictionary/HKPhrasesFinance.txt
+++ b/dictionary/HKPhrasesFinance.txt
@@ -86,5 +86,3 @@
 開户	開戶
 開户	開戶
 户	戶
-開户	開戶
-户	戶
diff --git a/dictionary/STCharacters.txt b/dictionary/STCharacters.txt
index 4655e39..e1943bf 100644
--- a/dictionary/STCharacters.txt
+++ b/dictionary/STCharacters.txt
@@ -581,7 +581,6 @@
 峤	嶠
 峥	崢
 峦	巒
-峰	峯
 崂	嶗
 崃	崍
 崄	嶮
@@ -3978,5 +3977,4 @@
 𰾄	鋂
 𰾭	鑀
 𱊜	𪈼
-厘 厘
-佣 佣
\ No newline at end of file
+厘	厘
diff --git a/dictionary/STPhrases.txt b/dictionary/STPhrases.txt
index cacd7a9..c461cbd 100644
--- a/dictionary/STPhrases.txt
+++ b/dictionary/STPhrases.txt
@@ -49064,5 +49064,4 @@
 公厘	公厘
 厘米	厘米
 汇总	匯總
-开户 開戶
-佣金 佣金
\ No newline at end of file
+开户 開戶
\ No newline at end of file
diff --git a/opencc_test.go b/opencc_test.go
index 6cef3b4..6f0855d 100644
--- a/opencc_test.go
+++ b/opencc_test.go
@@ -5,11 +5,11 @@ import (
 	"testing"
 )
 
-func assertCases(t *testing.T, cc *OpenCC, cases map[string]string) {
+func assertCases(t *testing.T, s2t *OpenCC, cases map[string]string) {
 	t.Helper()
 
 	for k, v := range cases {
-		str, err := cc.Convert(k)
+		str, err := s2t.Convert(k)
 		if err != nil {
 			t.Error(err)
 		}
@@ -73,7 +73,6 @@ func TestSelfSpecialHotfix(t *testing.T) {
 	cases := map[string]string{
 		"来自于汇丰，以及汇丰银行，汇入的款项": "來自於滙豐，以及滙豐銀行，匯入的款項",
 		"汇业银行集团": "滙業銀行集團",
-		"佣金":     "佣金",
 	}
 
 	assertCases(t, cc, cases)