diff --git a/common/http.api.js b/common/http.api.js
index 1fefe68..f54f97d 100644
--- a/common/http.api.js
+++ b/common/http.api.js
@@ -236,9 +236,12 @@ const install = (Vue, vm) => {
   // 获取消息接收方用户信息
   let GetReceiverUserInfoApi = (params = {}) =>
     vm.$u.get("api/Dialogue/GetReceiverUserInfo", params);
-  // 置顶一个会话
-  let OverheadOneDialogueApi = (params = {}) =>
-    vm.$u.post("api/Dialogue/OverheadOneDialogue", params);
+  // 置顶一个会话
+  let OverheadOneDialogueApi = (params = {}) =>
+    vm.$u.post("api/Dialogue/OverheadOneDialogue", params);
+  // 将会话消息标记为已读
+  let ReadMessageApi = (params = {}) =>
+    vm.$u.post("api/Dialogue/ReadMessage", params);
   // 删除会话
   let DeleteDialogueApi = (params = {}) =>
     vm.$u.post("api/Dialogue/DeleteDialogue", params);
@@ -303,12 +306,13 @@ const install = (Vue, vm) => {
     UpdateUserApi,
     GetTeacherListApi,
     GetDialogueListApi,
-    GetDialogueList_UserApi,
-    AddDialogueApi,
-    SendMessage_PrivateApi,
+    GetDialogueList_UserApi,
+    AddDialogueApi,
+    SendMessage_PrivateApi,
     GetChatHistoryDataApi,
     GetReceiverUserInfoApi,
     OverheadOneDialogueApi,
+    ReadMessageApi,
     DeleteDialogueApi,
   };
 };
diff --git a/pages/consultation/index.vue b/pages/consultation/index.vue
index 3e64fe3..7acf212 100644
--- a/pages/consultation/index.vue
+++ b/pages/consultation/index.vue
@@ -100,18 +100,24 @@ export default {
       console.log("切换到标签页:", path, index);
     },
     
-    // 打开聊天页面
-    openChat(item) {
-      console.log('打开聊天:', item);
-      // uni.navigateTo({
-      //   url: `/pages/chat/chat-detail?userId=${item.userId}&name=${item.name}`
-      // });
-        // const id = item.id
-        // const receiverId = item.receiverId
-        this.$store.dispatch("selectTeacherChatItem", {
-          id: item.id,
-          receiverId: item.userId,
-        });
+    // 打开聊天页面前标记已读
+    async openChat(item) {
+      console.log("打开聊天:", item);
+
+      if (item?.id) {
+        try {
+          await this.$u.api.ReadMessageApi({
+            dialogueManagementId: item.id,
+          });
+        } catch (err) {
+          console.error("[在线咨询] 标记已读失败", err);
+        }
+      }
+
+      this.$store.dispatch("selectTeacherChatItem", {
+        id: item.id,
+        receiverId: item.userId,
+      });
     },
     
     // 加载聊天列表
@@ -163,7 +169,7 @@ export default {
               item?.avatar ||
               item?.friendAvatar
           ),
-          lastMessage: item?.title || item?.lastMessage || item?.content || "暂无消息",
+          lastMessage: item?.lastMessage || "暂无消息",
           lastMessageTime: this.formatTime(
             item?.lastMessageTime || item?.lastSendTime || item?.startTime
           ),