diff --git a/pom.xml b/pom.xml
index e1f0e6b..ef0a97d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
-        <mirai.CoreVersion>0.32.0</mirai.CoreVersion>
+        <mirai.CoreVersion>0.39.4</mirai.CoreVersion>
         <mirai.JaptVersion>1.1.1</mirai.JaptVersion>
         <kotlin.version>1.3.71</kotlin.version>
         <ktor.version>1.3.2</ktor.version>
@@ -151,12 +151,12 @@
         </dependency>
         <dependency>
             <groupId>net.mamoe</groupId>
-            <artifactId>mirai-core-jvm</artifactId>
+            <artifactId>mirai-core</artifactId>
             <version>${mirai.CoreVersion}</version>
         </dependency>
         <dependency>
             <groupId>net.mamoe</groupId>
-            <artifactId>mirai-core-qqandroid-jvm</artifactId>
+            <artifactId>mirai-core-qqandroid</artifactId>
             <version>${mirai.CoreVersion}</version>
         </dependency>
         <dependency>
diff --git a/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java b/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
index 33ca924..7bd80f2 100644
--- a/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
+++ b/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
@@ -786,7 +786,7 @@ public class BotCommandProcess {
         }
 
         if (Objects.isNull(result)) {
-            result = rankingCache.getCache(requestSign, start, range);
+            result = rankingCache.getCache(requestSign, start - 1, range);
             log.debug("RequestSign [{}] 缓存命中.", requestSign);
         }
         log.debug("Result-Length: {}", result.size());
diff --git a/src/main/java/net/lamgc/cgj/bot/MiraiMain.java b/src/main/java/net/lamgc/cgj/bot/MiraiMain.java
index 9b4b7a2..7443ff7 100644
--- a/src/main/java/net/lamgc/cgj/bot/MiraiMain.java
+++ b/src/main/java/net/lamgc/cgj/bot/MiraiMain.java
@@ -5,10 +5,10 @@ import net.lamgc.cgj.bot.event.MiraiMessageEvent;
 import net.lamgc.cgj.bot.message.MessageSenderBuilder;
 import net.lamgc.cgj.bot.message.MiraiMessageSenderFactory;
 import net.mamoe.mirai.Bot;
+import net.mamoe.mirai.BotFactoryJvm;
 import net.mamoe.mirai.japt.Events;
 import net.mamoe.mirai.message.FriendMessage;
 import net.mamoe.mirai.message.GroupMessage;
-import net.mamoe.mirai.qqandroid.QQAndroid;
 import net.mamoe.mirai.utils.BotConfiguration;
 import org.apache.commons.net.util.Base64;
 import org.slf4j.Logger;
@@ -42,7 +42,7 @@ public class MiraiMain implements Closeable {
             return;
         }
 
-        bot = QQAndroid.INSTANCE.newBot(Long.parseLong(botProperties.getProperty("bot.qq", "0")), Base64.decodeBase64(botProperties.getProperty("bot.password", "")), new BotConfiguration());
+        bot = BotFactoryJvm.newBot(Long.parseLong(botProperties.getProperty("bot.qq", "0")), Base64.decodeBase64(botProperties.getProperty("bot.password", "")), new BotConfiguration());
         Events.subscribeAlways(GroupMessage.class, (msg) -> BotEventHandler.executor.executor(new MiraiMessageEvent(msg)));
         Events.subscribeAlways(FriendMessage.class, (msg) -> BotEventHandler.executor.executor(new MiraiMessageEvent(msg)));
         bot.login();
diff --git a/src/main/java/net/lamgc/cgj/bot/event/MiraiMessageEvent.java b/src/main/java/net/lamgc/cgj/bot/event/MiraiMessageEvent.java
index b4b410e..2f22394 100644
--- a/src/main/java/net/lamgc/cgj/bot/event/MiraiMessageEvent.java
+++ b/src/main/java/net/lamgc/cgj/bot/event/MiraiMessageEvent.java
@@ -16,7 +16,7 @@ public class MiraiMessageEvent extends MessageEvent {
 
     public MiraiMessageEvent(ContactMessage message) {
         super(message instanceof GroupMessage ? ((GroupMessage) message).getGroup().getId() : 0,
-                message.getSender().getId(), message.getMessage().toString());
+                message.getSender().getId(), message.getMessage().contentToString());
         this.messageObject = Objects.requireNonNull(message);
         if(message instanceof GroupMessage) {
             messageSender = new MiraiMessageSender(((GroupMessage) message).getGroup(), MessageSource.Group);
diff --git a/src/main/java/net/lamgc/cgj/bot/message/MiraiMessageSender.java b/src/main/java/net/lamgc/cgj/bot/message/MiraiMessageSender.java
index 43a5b08..6036622 100644
--- a/src/main/java/net/lamgc/cgj/bot/message/MiraiMessageSender.java
+++ b/src/main/java/net/lamgc/cgj/bot/message/MiraiMessageSender.java
@@ -9,9 +9,9 @@ import net.lamgc.cgj.bot.cache.StringRedisCacheStore;
 import net.lamgc.cgj.bot.event.BotEventHandler;
 import net.mamoe.mirai.Bot;
 import net.mamoe.mirai.contact.Contact;
-import net.mamoe.mirai.message.data.CombinedMessage;
 import net.mamoe.mirai.message.data.Image;
 import net.mamoe.mirai.message.data.Message;
+import net.mamoe.mirai.message.data.MessageChain;
 import net.mamoe.mirai.message.data.MessageUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -78,7 +78,7 @@ public class MiraiMessageSender implements MessageSender {
                 .replaceAll("&38", "&")
                 .split("\\|");
 
-        CombinedMessage chain = MessageUtils.newChain().plus("");
+        MessageChain messages = MessageUtils.newChain().plus("");
         int codeIndex = 0;
         for(String text : texts) {
             if(text.equals("{BotCode}")) {
@@ -89,13 +89,13 @@ public class MiraiMessageSender implements MessageSender {
                     log.warn("解析待发送消息内的BotCode时发生异常, 请检查错误格式BotCode的来源并尽快排错!", e);
                     continue;
                 }
-                chain = chain.plus(processBotCode(code));
+                messages = messages.plus(processBotCode(code));
             } else {
-                chain = chain.plus(text);
+                messages = messages.plus(text);
             }
         }
 
-        return chain;
+        return messages;
     }
 
     private Message processBotCode(BotCode code) {