diff --git a/index.d.ts b/index.d.ts
index 29d0681..7ee47eb 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -62,7 +62,7 @@ export default class JPush {
    */
   static init(params: {
     appKey: string;
-    titchannelle: string;
+    channel: string;
     production: boolean;
   }): void;