diff --git a/component/pear/modules/context.js b/component/pear/modules/context.js
index dbb14367fd7633714fb274ae7a256c5a587cb18a..aaaa8938e9ebdf5dc30a01b5561b4829a91ae9b3 100644
--- a/component/pear/modules/context.js
+++ b/component/pear/modules/context.js
@@ -14,7 +14,7 @@ layui.define(['jquery', 'element'], function(exports) {
 			localStorage.setItem(key,value);
 		}
 
-		this.get = function(){
+		this.get = function(key){
 			return localStorage.getItem(key);
 		}
 	}