diff --git a/src/app/services/handlers.ts b/src/app/services/handlers.ts
index 9f67fdf5..8b19a323 100644
--- a/src/app/services/handlers.ts
+++ b/src/app/services/handlers.ts
@@ -2,7 +2,7 @@ import toast from "react-hot-toast";
 import { batch } from "react-redux";
 
 import { ContentTypes } from "../config";
-import { addMessage, removeMessage, updateMessage } from "../slices/message";
+import { addMessage, removeMessage } from "../slices/message";
 import { addChannelMsg, removeChannelMsg } from "../slices/message.channel";
 import { addUserMsg, removeUserMsg } from "../slices/message.user";
 
@@ -19,12 +19,12 @@ export const onMessageSendStarted = async (
   { dispatch, queryFulfilled },
   from = "channel"
 ) => {
-  // 忽略archive类型的消息
+  // 忽略 archive 类型的消息
   if (type == "archive") return;
   // id: who send to ,from_uid: who sent
   // console.log("handlers data", content, type, properties, ignoreLocal, id);
   const isMedia = properties.content_type
-    ? ["image", "video", "audio"].includes(properties.content_type.split("/")[0])
+    ? ["image", "video", "audio"].includes(properties.content_type.toLowerCase().split("/")[0])
     : false;
   // const isImage = properties.content_type?.startsWith("image");
   const ts = properties.local_id || +new Date();
diff --git a/src/utils.tsx b/src/utils.tsx
index 79d095f6..edd9afae 100644
--- a/src/utils.tsx
+++ b/src/utils.tsx
@@ -69,8 +69,9 @@ export const getLocalAuthData = () => {
   };
 };
 export const isImage = (file_type = "", size = 0) => {
+  const _fileType = file_type.toLowerCase();
   return (
-    file_type.startsWith("image") && file_type !== "image/x-sony-arw" && size <= FILE_IMAGE_SIZE
+    _fileType.startsWith("image") && _fileType !== "image/x-sony-arw" && size <= FILE_IMAGE_SIZE
   );
 };