diff --git a/src/app/slices/message.js b/src/app/slices/message.js
index f2c59124..3f10ab73 100644
--- a/src/app/slices/message.js
+++ b/src/app/slices/message.js
@@ -24,21 +24,24 @@ const messageSlice = createSlice({
       // 如果是正发送，并且已存在，则不覆盖
       if (sending && state[mid]) return;
       const isFile = content_type == ContentTypes.file;
-      if (!sending && isFile) {
-        data.file_path = content;
-        data.content = `${BASE_URL}/resource/file?file_path=${encodeURIComponent(
-          data.file_path
-        )}`;
-        data.download = `${BASE_URL}/resource/file?file_path=${encodeURIComponent(
-          data.file_path
-        )}&download=true`;
-        // image
-        const props = properties ?? {};
-        const isPic = isImage(props.content_type, props.size);
-        if (isPic) {
-          data.thumbnail = `${BASE_URL}/resource/file?file_path=${encodeURIComponent(
+      // image
+      const isPic = isImage(properties.content_type, properties.size);
+      if (isFile) {
+        if (!sending) {
+          data.file_path = content;
+          data.content = `${BASE_URL}/resource/file?file_path=${encodeURIComponent(
             data.file_path
-          )}&thumbnail=true`;
+          )}`;
+          data.download = `${BASE_URL}/resource/file?file_path=${encodeURIComponent(
+            data.file_path
+          )}&download=true`;
+          data.thumbnail = isPic
+            ? `${BASE_URL}/resource/file?file_path=${encodeURIComponent(
+                data.file_path
+              )}&thumbnail=true`
+            : "";
+        } else if (isPic) {
+          data.thumbnail = content;
         }
       }
       state[mid] = data;
diff --git a/src/common/hook/useMessageFeed.js b/src/common/hook/useMessageFeed.js
index 10da0a52..c5dd80cd 100644
--- a/src/common/hook/useMessageFeed.js
+++ b/src/common/hook/useMessageFeed.js
@@ -81,8 +81,8 @@ export default function useMessageFeed({ context = "channel", id = null }) {
   }, [items, context, id]);
   useEffect(() => {
     const serverMids = mids.filter((id) => {
-      const ts = new Date().getTime();
-      return Math.abs(ts - id) > 5 * 1000;
+      const ts = +new Date();
+      return Math.abs(ts - id) > 10 * 1000;
     });
     if (listRef.current.length == 0 && serverMids.length) {
       //   初次
@@ -97,11 +97,12 @@ export default function useMessageFeed({ context = "channel", id = null }) {
       console.log("message pageInfo", serverMids, pageInfo);
     } else {
       //   追加
-      const lastMid = listRef.current.slice(-1);
-      const sorteds = serverMids.slice(0).sort((a, b) => {
+      const [lastMid] = listRef.current.slice(-1);
+      const sorteds = mids.slice(0).sort((a, b) => {
         return Number(a) - Number(b);
       });
       const appends = sorteds.filter((s) => s > lastMid);
+      console.log("appends", appends, sorteds, lastMid, mids);
       if (appends.length) {
         setAppends(appends);
         const [newestMsgId] = appends.slice(-1);
@@ -122,7 +123,6 @@ export default function useMessageFeed({ context = "channel", id = null }) {
           }
         }
       }
-      console.log("appends", appends, listRef.current);
     }
   }, [mids, messageData, loginUid]);
   const pullUp = async () => {