diff --git a/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/NtV2RichMediaSvc.kt b/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/NtV2RichMediaSvc.kt
index 3807bde..3d41f83 100644
--- a/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/NtV2RichMediaSvc.kt
+++ b/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/NtV2RichMediaSvc.kt
@@ -1,6 +1,8 @@
 package moe.fuqiuluo.qqinterface.servlet.transfile
 
 import kotlinx.atomicfu.atomic
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 import kotlinx.serialization.protobuf.ProtoNumber
 import moe.fuqiuluo.qqinterface.servlet.BaseSvc
 import moe.fuqiuluo.qqinterface.servlet.TicketSvc
@@ -214,11 +216,12 @@ internal object NtV2RichMediaSvc: BaseSvc() {
         }
     }
 
+    @Serializable
     data class TryUpPicData(
-        val uKey: ByteArray,
-        val exist: Boolean,
-        val fileId: ULong,
-        var upIp: ArrayList<Long>? = null,
-        var upPort: ArrayList<Int>? = null,
+        @SerialName("ukey") val uKey: ByteArray,
+        @SerialName("exist") val exist: Boolean,
+        @SerialName("file_id") val fileId: ULong,
+        @SerialName("up_ip") var upIp: ArrayList<Long>? = null,
+        @SerialName("up_port") var upPort: ArrayList<Int>? = null,
     )
 }
\ No newline at end of file
diff --git a/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/RichProtoSvc.kt b/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/RichProtoSvc.kt
index 834ae5e..0403e90 100644
--- a/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/RichProtoSvc.kt
+++ b/xposed/src/main/java/moe/fuqiuluo/qqinterface/servlet/transfile/RichProtoSvc.kt
@@ -104,7 +104,7 @@ internal object RichProtoSvc: BaseSvc() {
 
         val domain = if (!result.download_file_rsp.str_download_dns.has())
                 ("https://" + result.download_file_rsp.str_download_ip.get())
-        else ("http://" + result.download_file_rsp.str_download_dns.get())
+        else ("http://" + result.download_file_rsp.str_download_dns.get().toByteArray().decodeToString())
         val downloadUrl = result.download_file_rsp.bytes_download_url.get().toByteArray().toHexString()
         val appId = MobileQQ.getMobileQQ().appId
         val version = PlatformUtils.getQQVersion(MobileQQ.getContext())
diff --git a/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/action/handlers/RequestUploadGroupImage.kt b/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/action/handlers/RequestUploadGroupImage.kt
new file mode 100644
index 0000000..0952a6a
--- /dev/null
+++ b/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/action/handlers/RequestUploadGroupImage.kt
@@ -0,0 +1,29 @@
+package moe.fuqiuluo.shamrock.remote.action.handlers
+
+import moe.fuqiuluo.qqinterface.servlet.transfile.NtV2RichMediaSvc
+import moe.fuqiuluo.shamrock.remote.action.ActionSession
+import moe.fuqiuluo.shamrock.remote.action.IActionHandler
+import moe.fuqiuluo.symbols.OneBotHandler
+
+@OneBotHandler("request_upload_group_image")
+internal object RequestUploadGroupImage: IActionHandler() {
+    override suspend fun internalHandle(session: ActionSession): String {
+        val md5 = session.getString("md5").uppercase()
+        val fileSize = session.getLong("file_size")
+        val width = session.getInt("width")
+        val height = session.getInt("height")
+        val groupId = session.getString("group_id")
+        NtV2RichMediaSvc.requestUploadGroupPic(
+            groupId.toULong(),
+            md5,
+            fileSize.toULong(),
+            width.toUInt(),
+            height.toUInt()
+        ).onSuccess {
+            return ok(it, session.echo)
+        }.onFailure {
+            return error(it.message ?: it.toString(), session.echo)
+        }
+        return logic("request_upload_group_image failed", session.echo)
+    }
+}
\ No newline at end of file