diff --git a/protobuf/src/main/java/protobuf/message/MessageElement.kt b/protobuf/src/main/java/protobuf/message/MessageElement.kt
index 76b8b42..e29c76c 100644
--- a/protobuf/src/main/java/protobuf/message/MessageElement.kt
+++ b/protobuf/src/main/java/protobuf/message/MessageElement.kt
@@ -8,5 +8,5 @@ import protobuf.message.element.*
 data class MessageElement(
     @ProtoNumber(1) val text: TextElement? = null,
     @ProtoNumber(51) val json: JsonElement? = null,
-    @ProtoNumber(53) val richMedia: RichMediaElement? = null,
+    @ProtoNumber(53) val commElem: CommonElement? = null,
 )
\ No newline at end of file
diff --git a/protobuf/src/main/java/protobuf/message/element/RichMediaElement.kt b/protobuf/src/main/java/protobuf/message/element/CommonElement.kt
similarity index 90%
rename from protobuf/src/main/java/protobuf/message/element/RichMediaElement.kt
rename to protobuf/src/main/java/protobuf/message/element/CommonElement.kt
index ec89d10..a72bac4 100644
--- a/protobuf/src/main/java/protobuf/message/element/RichMediaElement.kt
+++ b/protobuf/src/main/java/protobuf/message/element/CommonElement.kt
@@ -4,7 +4,7 @@ import kotlinx.serialization.Serializable
 import kotlinx.serialization.protobuf.ProtoNumber
 
 @Serializable
-data class RichMediaElement(
+data class CommonElement(
     @ProtoNumber(1) val type: Int? = null,
     @ProtoNumber(2) val data: ByteArray? = null,
     @ProtoNumber(3) val u1: Int? = null,
diff --git a/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/service/listener/PrimitiveListener.kt b/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/service/listener/PrimitiveListener.kt
index ecc690d..7ad79ef 100644
--- a/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/service/listener/PrimitiveListener.kt
+++ b/xposed/src/main/java/moe/fuqiuluo/shamrock/remote/service/listener/PrimitiveListener.kt
@@ -109,19 +109,22 @@ internal object PrimitiveListener {
     }
 
     private fun onGroupMessage(msgTime: Long, body: MessageBody) {
-        body.rich?.elements?.filter {
-            it.richMedia != null
-        }?.map {
-            ProtoBuf.decodeFromByteArray<RichMediaForPicData>(it.richMedia!!.data!!)
-        }?.forEach {
-            it.display?.show?.download?.url?.let {
-                RKEY_PATTERN.matcher(it).takeIf {
-                    it.find()
-                }?.group(1)?.let { rkey ->
-                    LogCenter.log("更新NT RKEY成功：$rkey")
-                    RichProtoSvc.multiMediaRKey = rkey
+        runCatching {
+            body.rich?.elements?.filter {
+                it.commElem != null && it.commElem!!.type == 48
+            }?.map {
+                ProtoBuf.decodeFromByteArray<RichMediaForPicData>(it.commElem!!.data!!)
+            }?.forEach {
+                it.display?.show?.download?.url?.let {
+                    RKEY_PATTERN.matcher(it).takeIf {
+                        it.find()
+                    }?.group(1)?.let { rkey ->
+                        LogCenter.log("更新NT RKEY成功：$rkey")
+                        RichProtoSvc.multiMediaRKey = rkey
+                    }
                 }
             }
+
         }
     }