diff --git a/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/HanZiConverterPinYin.java b/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/HanZiConverterPinYin.java
index 6428fa9..cc3bf1c 100644
--- a/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/HanZiConverterPinYin.java
+++ b/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/HanZiConverterPinYin.java
@@ -153,7 +153,7 @@ public class HanZiConverterPinYin {
         return map;
     }
 
-    public String getPinYinFirst(String str) {
+    public static String getPinYinFirst(String str) {
         HanZiConverterPinYin hanZiConverterPinYin = new HanZiConverterPinYin();
         char firstChar = str.toCharArray()[0];
         String firstString = "";