diff --git a/fabric/src/main/java/cn/evole/mods/mcbot/core/event/IBotEvent.java b/fabric/src/main/java/cn/evole/mods/mcbot/core/event/IBotEvent.java
index eaafa90..f4e4660 100644
--- a/fabric/src/main/java/cn/evole/mods/mcbot/core/event/IBotEvent.java
+++ b/fabric/src/main/java/cn/evole/mods/mcbot/core/event/IBotEvent.java
@@ -15,6 +15,10 @@
 import cn.evole.onebot.sdk.event.notice.group.GroupIncreaseNoticeEvent;
 import cn.evole.onebot.sdk.util.MsgUtils;
 import lombok.val;
+import net.minecraft.network.chat.Component;
+//#if MC <11900
+import net.minecraft.network.chat.TextComponent;
+//#endif
 
 
 /**
diff --git a/fabric/src/main/java/cn/evole/mods/mcbot/util/onebot/CQUtils.java b/fabric/src/main/java/cn/evole/mods/mcbot/util/onebot/CQUtils.java
index 75ba016..b8e950e 100644
--- a/fabric/src/main/java/cn/evole/mods/mcbot/util/onebot/CQUtils.java
+++ b/fabric/src/main/java/cn/evole/mods/mcbot/util/onebot/CQUtils.java
@@ -2,10 +2,12 @@
 
 import cn.evole.mods.mcbot.Const;
 import cn.evole.mods.mcbot.config.ModConfig;
+import cn.evole.onebot.sdk.event.message.GroupMessageEvent;
 import cn.evole.onebot.sdk.event.message.MessageEvent;
 import io.netty.util.concurrent.SingleThreadEventExecutor;
 import lombok.val;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
 import java.util.concurrent.*;
@@ -89,7 +91,6 @@ public static String replace(String msg) {
                     }
                     break;
                 case "at":
-/* TODO @cnlimiter need to fix it.
                         val id = data.split("=");
                         if (id.length == 2) {
                             if (id[0].equals("qq"))
@@ -98,7 +99,6 @@ public static String replace(String msg) {
                                     break;
                                 } catch (NumberFormatException ignored) {}
                         }
-*/
                     matcher.appendReplacement(message, "[@]");
                     break;
                 case "record":