Change KeyValue time

src/plugins/key_value.js

@@ -1,14 +1,13 @@
 function main(context) {
   const { bot } = context;
   bot.KeyValue = class {
-    constructor(time) {
-      this.time = time;
+    constructor() {
       this.map = new Map();
     }
 
-    store(key, value) {
+    store(key, value, time) {
       this.map.set(key, value);
-      setTimeout(() => this.map.delete(key), this.time);
+      setTimeout(() => this.map.delete(key), time);
     }
 
     get(key) {