fix: use right discord and qq icon

config.yaml

@@ -71,7 +71,7 @@ menu:
     - name: Discord Chat
       url: https://discord.gg/Gitea
       weight: 100
-      pre: comment
+      pre: discord
       parent: Chatroom
     - name: Matrix
       url: https://matrix.to/#/#gitea:matrix.org
@@ -81,7 +81,7 @@ menu:
     - name: QQ Group(Chinese)
       url: https://qm.qq.com/cgi-bin/qm/qr?k=Ex-kCxSnTyxf-RM4oDihhPofPzLoDbXp&jump_from=webapi
       weight: 110
-      pre: qq-group
+      pre: qq
       parent: Chatroom
 
 languages:
@@ -141,12 +141,12 @@ languages:
         - name: QQ群
           url: https://qm.qq.com/cgi-bin/qm/qr?k=Ex-kCxSnTyxf-RM4oDihhPofPzLoDbXp&jump_from=webapi
           weight: 110
-          pre: qq-group
+          pre: qq
           parent: 聊天室
         - name: Discord 聊天室
           url: https://discord.gg/Gitea
           weight: 100
-          pre: comment
+          pre: discord
           parent: 聊天室
         - name: Matrix
           url: https://matrix.to/#/#gitea:matrix.org
@@ -211,7 +211,7 @@ languages:
         - name: Discord 聊天室
           url: https://discord.gg/Gitea
           weight: 100
-          pre: comment
+          pre: discord
           parent: 聊天室
         - name: Matrix
           url: https://matrix.to/#/#gitea:matrix.org
@@ -271,7 +271,7 @@ languages:
         - name: Discord Chat
           url: https://discord.gg/Gitea
           weight: 100
-          pre: comment
+          pre: discord
           parent: Chatroom
         - name: Matrix
           url: https://matrix.to/#/#gitea:matrix.org
@@ -331,7 +331,7 @@ languages:
         - name: Discord Chat
           url: https://discord.gg/Gitea
           weight: 100
-          pre: comment
+          pre: discord
           parent: Chatroom
         - name: Matrix
           url: https://matrix.to/#/#gitea:matrix.org
@@ -391,7 +391,7 @@ languages:
         - name: Discord 채팅
           url: https://discord.gg/Gitea
           weight: 100
-          pre: comment
+          pre: discord
           parent: Chatroom
         - name: Matrix
           url: https://matrix.to/#/#gitea:matrix.org
@@ -451,7 +451,7 @@ languages:
         - name: Discord チャット
           url: https://discord.gg/Gitea
           weight: 100
-          pre: comment
+          pre: discord
           parent: Chatroom
         - name: Matrix
           url: https://matrix.to/#/#gitea:matrix.org
@@ -511,7 +511,7 @@ languages:
       - name: Чат в Discord
         url: https://discord.gg/Gitea
         weight: 100
-        pre: comment
+        pre: discord
         parent: Chatroom
       - name: Matrix
         url: https://matrix.to/#/#gitea:matrix.org