diff --git a/src/types/lunar-javascript.d.ts b/src/types/lunar-javascript.d.ts
index 6daca2e..986ab43 100644
--- a/src/types/lunar-javascript.d.ts
+++ b/src/types/lunar-javascript.d.ts
@@ -7,7 +7,7 @@ declare module 'lunar-javascript' {
     getYear(): number;
     getMonthInChinese(): string;
     getDayInChinese(): string;
-    isLeapMonth(): boolean;
+    isLeap(): boolean;
     getYearInChinese(): string;
     getZodiac(): string;
     getYearInGanZhi(): string;