diff --git a/src/pages/dialog/index.vue b/src/pages/dialog/index.vue
index b2a9b9e..426ced8 100644
--- a/src/pages/dialog/index.vue
+++ b/src/pages/dialog/index.vue
@@ -226,7 +226,7 @@
               >
                 <span v-if="talkParams.type === 1">未读</span>
                 <span v-if="talkParams.type === 2">
-                  已读 (0/{{ (Number(talkParams.num)-1) }})
+                  已读 (0/{{ (Number(talkParams.num)-1) > 0 ? Number(talkParams.num)-1 : 0 }})
                 </span>
               </div>
 
@@ -833,7 +833,7 @@ watch(
               readNumElement.textContent = readNum > 0 ? '已读' : '未读'
             } else {
               readNumElement.textContent =
-                '已读 (' + readNum + '/' + (Number(talkParams.num) - 1) + ')'
+                '已读 (' + readNum + '/' + (Number(talkParams.num) - 1 > 0 ? Number(talkParams.num) - 1 : 0) + ')'
             }
           }
         }
@@ -2527,12 +2527,12 @@ const getMessageReadDetail = (isUnread) => {
       if (code == 200) {
         if (Number(isUnread) === 0) {
           state.value.msgReadDetailTabs[0].title =
-            '未读 （' + (Number(talkParams.num) - 1 - data.count) + '）'
+            '未读 （' + (Number(talkParams.num) - 1 - data.count > 0 ? Number(talkParams.num) - 1 - data.count : 0) + '）'
           state.value.msgReadDetailTabs[1].title = '已读 （' + data.count + '）'
         } else if (Number(isUnread) === 1) {
           state.value.msgReadDetailTabs[0].title = '未读 （' + data.count + '）'
           state.value.msgReadDetailTabs[1].title =
-            '已读 （' + (Number(talkParams.num) - 1 - data.count) + '）'
+            '已读 （' + (Number(talkParams.num) - 1 - data.count > 0 ? Number(talkParams.num) - 1 - data.count : 0) + '）'
         }
         if (state.value.readNumPage === 1) {
           state.value.msgReadOrNotDetail = data.data