diff --git a/src/structures/GroupChat.js b/src/structures/GroupChat.js
index 99ce486..c2de67f 100644
--- a/src/structures/GroupChat.js
+++ b/src/structures/GroupChat.js
@@ -86,7 +86,7 @@ class GroupChat extends Chat {
      */
     async setSubject(subject) {
         let res = await this.client.pupPage.evaluate((chatId, subject) => {
-            return Store.Chat.get(chatId).setSubject(subject);
+            return Store.Wap.changeSubject(chatId, subject);
         }, this.id._serialized, subject);
 
         if(res.status == 200) {
@@ -100,7 +100,8 @@ class GroupChat extends Chat {
      */
     async setDescription(description) {
         let res = await this.client.pupPage.evaluate((chatId, description) => {
-            return Store.Chat.get(chatId).setGroupDesc(description);
+            let descId = Store.GroupMetadata.get(chatId).descId;
+            return Store.Wap.setGroupDescription(chatId, description, Store.genId(), descId);
         }, this.id._serialized, description);
 
         if (res.status == 200) {
diff --git a/src/util/Injected.js b/src/util/Injected.js
index 8e42647..2109c90 100644
--- a/src/util/Injected.js
+++ b/src/util/Injected.js
@@ -7,6 +7,7 @@ exports.ExposeStore = (moduleRaidStr) => {
     eval("var moduleRaid = " + moduleRaidStr);
     window.mR = moduleRaid();
     window.Store = window.mR.findModule("Conn")[0].default;
+    window.Store.genId = window.mR.findModule((module) => module.default && typeof module.default === 'function' && module.default.toString().match(/crypto/))[0].default;
     window.Store.SendMessage = window.mR.findModule("sendTextMsgToChat")[0].sendTextMsgToChat;
 }