diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d953e5a4b..5c2c5bd90 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 #Thu Feb 06 14:10:33 CST 2020
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt
index d66f093b9..b9d1f308e 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt
@@ -77,7 +77,7 @@ internal class QQImpl(
     }
 
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
-    override suspend fun sendMessage(message: MessageChain): MessageReceipt<QQ> {
+    override suspend fun sendMessage(message: MessageChain) {
         return this.sendMessage(message as Message)
     }
 
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt
index a0d0aa3f5..7e5d298fb 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Contact.kt
@@ -67,6 +67,7 @@ actual abstract class Contact : CoroutineScope, ContactJavaHappyAPI() {
     @JvmSynthetic
     actual abstract suspend fun sendMessage(message: Message): MessageReceipt<out Contact>
 
+    @JvmName("sendMessageSuspend")
     @JvmSynthetic
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     actual abstract suspend fun sendMessage(message: MessageChain): MessageReceipt<out Contact>
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt
index 77cdd68dc..95aa54121 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Group.kt
@@ -182,6 +182,7 @@ actual abstract class Group : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Group>
 
+    @JvmName("sendMessageSuspend")
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group>
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt
index 86b77e998..18450d5e4 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/Member.kt
@@ -18,6 +18,7 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
+import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.WeakRefProperty
 
@@ -120,6 +121,11 @@ actual abstract class Member : MemberJavaHappyAPI() {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Member>
 
+    @JvmName("sendMessageSuspend")
+    @JvmSynthetic
+    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
+    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
+
     /**
      * 踢出该成员.
      *
diff --git a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt
index f5190bfbe..254747ac3 100644
--- a/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt
+++ b/mirai-core/src/androidMain/kotlin/net/mamoe/mirai/contact/QQ.kt
@@ -91,6 +91,7 @@ actual abstract class QQ : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<out QQ>
 
+    @JvmName("sendMessageSuspend")
     @JvmSynthetic
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt
index e28588d3a..c0126aad5 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Contact.kt
@@ -71,6 +71,7 @@ expect abstract class Contact() : CoroutineScope, ContactJavaHappyAPI {
     @JvmSynthetic
     abstract suspend fun sendMessage(message: Message): MessageReceipt<out Contact>
 
+    @JvmName("sendMessageSuspend")
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     @JvmSynthetic
     abstract suspend fun sendMessage(message: MessageChain): MessageReceipt<out Contact>
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt
index c3ecc2b51..826f0ff84 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt
@@ -183,6 +183,7 @@ expect abstract class Group() : Contact, CoroutineScope {
     @JvmSynthetic
     abstract override suspend fun sendMessage(message: Message): MessageReceipt<Group>
 
+    @JvmName("sendMessageSuspend")
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     @JvmSynthetic
     abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group>
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
index d2daab635..c3a7bff39 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
@@ -16,6 +16,7 @@ import net.mamoe.mirai.JavaHappyAPI
 import net.mamoe.mirai.event.events.*
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
+import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.WeakRefProperty
 import kotlin.jvm.JvmName
@@ -147,6 +148,12 @@ expect abstract class Member() : MemberJavaHappyAPI {
     @JvmSynthetic
     @JvmName("sendMessageSuspend")
     abstract override suspend fun sendMessage(message: Message): MessageReceipt<Member>
+
+    @JvmName("sendMessageSuspend")
+    @JvmSynthetic
+    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
+    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
+
 }
 
 /**
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt
index daad894df..63276b529 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/QQ.kt
@@ -101,6 +101,7 @@ expect abstract class QQ() : Contact, CoroutineScope {
     @JvmName("sendMessageSuspend")
     abstract override suspend fun sendMessage(message: Message): MessageReceipt<out QQ>
 
+    @JvmName("sendMessageSuspend")
     @JvmSynthetic
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt
index b72a9710d..12db10e5d 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Contact.kt
@@ -66,6 +66,7 @@ actual abstract class Contact : CoroutineScope, ContactJavaHappyAPI() {
     @JvmSynthetic
     actual abstract suspend fun sendMessage(message: Message): MessageReceipt<out Contact>
 
+    @JvmName("sendMessageSuspend")
     @JvmSynthetic
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     actual abstract suspend fun sendMessage(message: MessageChain): MessageReceipt<out Contact>
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt
index 4b8e406d7..72a293123 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt
@@ -183,6 +183,7 @@ actual abstract class Group : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Group>
 
+    @JvmName("sendMessageSuspend")
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<Group>
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt
index a556de400..7ff3edd6f 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Member.kt
@@ -18,6 +18,7 @@ import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
 import net.mamoe.mirai.event.events.MessageSendEvent.GroupMessageSendEvent
 import net.mamoe.mirai.message.MessageReceipt
 import net.mamoe.mirai.message.data.Message
+import net.mamoe.mirai.message.data.MessageChain
 import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.WeakRefProperty
 
@@ -132,6 +133,11 @@ actual abstract class Member : MemberJavaHappyAPI() {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<Member>
 
+    @JvmName("sendMessageSuspend")
+    @JvmSynthetic
+    @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
+    actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>
+
     /**
      * 当且仅当 `[other] is [Member] && [other].id == this.id && [other].group == this.group` 时为 true
      */
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt
index 11464c5b9..566a9d22d 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/QQ.kt
@@ -91,6 +91,7 @@ actual abstract class QQ : Contact(), CoroutineScope {
     @JvmSynthetic
     actual abstract override suspend fun sendMessage(message: Message): MessageReceipt<out QQ>
 
+    @JvmName("sendMessageSuspend")
     @JvmSynthetic
     @Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
     actual abstract override suspend fun sendMessage(message: MessageChain): MessageReceipt<out QQ>