diff --git a/src/assets/less/app.less b/src/assets/less/app.less
index 8866cc8..a08cc8b 100644
--- a/src/assets/less/app.less
+++ b/src/assets/less/app.less
@@ -77,10 +77,12 @@ section {
   position: relative;
   margin: 0 -20px;
   width: 375px;
+  min-height: 100vh;
   padding: 20px;
   font-size: 14px;
   box-sizing: border-box;
   outline: none;
+  word-wrap: break-word;
 }
 
 .preview table {
diff --git a/src/components/CodemirrorEditor/PostSlider.vue b/src/components/CodemirrorEditor/PostSlider.vue
index d76d976..761aa45 100644
--- a/src/components/CodemirrorEditor/PostSlider.vue
+++ b/src/components/CodemirrorEditor/PostSlider.vue
@@ -40,7 +40,7 @@ function renamePost() {
   }
   store.renamePost(editTarget.value, renamePostInputVal.value)
   isOpenEditDialog.value = false
-  toast.success(`文章更名成功`)
+  toast.success(`文章重命名成功`)
 }
 
 const isOpenDelPostConfirmDialog = ref(false)
@@ -105,9 +105,9 @@ function delPost() {
           <DropdownMenuContent>
             <DropdownMenuItem @click.stop="startRenamePost(index)">
               <Edit3 class="mr-2 size-4" />
-              更名
+              重命名
             </DropdownMenuItem>
-            <DropdownMenuItem @click.stop="startDelPost(index)">
+            <DropdownMenuItem v-if="store.posts.length > 1" @click.stop="startDelPost(index)">
               <Trash class="mr-2 size-4" />
               删除
             </DropdownMenuItem>
diff --git a/src/stores/index.ts b/src/stores/index.ts
index c3673cb..c4fb0e5 100644
--- a/src/stores/index.ts
+++ b/src/stores/index.ts
@@ -73,7 +73,7 @@ export const useStore = defineStore(`store`, () => {
 
   const delPost = (index: number) => {
     posts.value.splice(index, 1)
-    currentPostIndex.value = 0
+    currentPostIndex.value = posts.value.length - 1
   }
 
   watch(currentPostIndex, () => {