diff --git a/src/views/attachment/AttachmentList.vue b/src/views/attachment/AttachmentList.vue
index 42e2ca34..3696d3f7 100644
--- a/src/views/attachment/AttachmentList.vue
+++ b/src/views/attachment/AttachmentList.vue
@@ -107,6 +107,7 @@
                 <img
                   :src="item.thumbPath"
                   v-show="handleJudgeMediaType(item)"
+                  loading="lazy"
                 >
               </div>
               <a-card-meta style="padding: 0.8rem;">
diff --git a/src/views/attachment/components/AttachmentDetailDrawer.vue b/src/views/attachment/components/AttachmentDetailDrawer.vue
index ff249f3a..2332e62b 100644
--- a/src/views/attachment/components/AttachmentDetailDrawer.vue
+++ b/src/views/attachment/components/AttachmentDetailDrawer.vue
@@ -24,6 +24,7 @@
                 :src="attachment.path"
                 v-show="photoPreviewVisible"
                 style="width: 100%;"
+                loading="lazy"
               >
             </a>
             <d-player
diff --git a/src/views/attachment/components/AttachmentDrawer.vue b/src/views/attachment/components/AttachmentDrawer.vue
index f5139f7d..6388790e 100644
--- a/src/views/attachment/components/AttachmentDrawer.vue
+++ b/src/views/attachment/components/AttachmentDrawer.vue
@@ -42,6 +42,7 @@
               <img
                 :src="item.thumbPath"
                 v-show="handleJudgeMediaType(item)"
+                loading="lazy"
               >
             </div>
           </a-col>
diff --git a/src/views/attachment/components/AttachmentSelectDrawer.vue b/src/views/attachment/components/AttachmentSelectDrawer.vue
index 9ffcac15..c53f7daf 100644
--- a/src/views/attachment/components/AttachmentSelectDrawer.vue
+++ b/src/views/attachment/components/AttachmentSelectDrawer.vue
@@ -42,6 +42,7 @@
               <img
                 :src="item.thumbPath"
                 v-show="handleJudgeMediaType(item)"
+                loading="lazy"
               >
             </div>
           </a-col>
diff --git a/src/views/interface/ThemeList.vue b/src/views/interface/ThemeList.vue
index 8fb8fb99..b8fb37cd 100644
--- a/src/views/interface/ThemeList.vue
+++ b/src/views/interface/ThemeList.vue
@@ -25,6 +25,7 @@
                 <img
                   :alt="item.name"
                   :src="item.screenshots"
+                  loading="lazy"
                 >
               </div>
               <template
diff --git a/src/views/post/PostEdit.vue b/src/views/post/PostEdit.vue
index 9c8e7803..8310213a 100644
--- a/src/views/post/PostEdit.vue
+++ b/src/views/post/PostEdit.vue
@@ -170,9 +170,6 @@ export default {
       if (!this.postToStage.title) {
         this.postToStage.title = moment(new Date()).format('YYYY-MM-DD-HH-mm-ss')
       }
-      if (!this.postToStage.originalContent) {
-        this.postToStage.originalContent = '开始编辑...'
-      }
       if (this.postToStage.id) {
         // Update the post
         postApi.update(this.postToStage.id, this.postToStage, false).then(response => {
diff --git a/src/views/post/components/PostSettingDrawer.vue b/src/views/post/components/PostSettingDrawer.vue
index 715a82be..80553529 100644
--- a/src/views/post/components/PostSettingDrawer.vue
+++ b/src/views/post/components/PostSettingDrawer.vue
@@ -394,13 +394,6 @@ export default {
         })
         return
       }
-      if (!this.selectedPost.originalContent) {
-        this.$notification['error']({
-          message: '提示',
-          description: '文章内容不能为空！'
-        })
-        return
-      }
       // Set category ids
       this.selectedPost.categoryIds = this.selectedCategoryIds
       // Set tag ids
diff --git a/src/views/sheet/SheetEdit.vue b/src/views/sheet/SheetEdit.vue
index c2d9e2b8..429f8f49 100644
--- a/src/views/sheet/SheetEdit.vue
+++ b/src/views/sheet/SheetEdit.vue
@@ -152,9 +152,6 @@ export default {
       if (!this.sheetToStage.title) {
         this.sheetToStage.title = moment(new Date()).format('YYYY-MM-DD-HH-mm-ss')
       }
-      if (!this.sheetToStage.originalContent) {
-        this.sheetToStage.originalContent = '开始编辑...'
-      }
       if (this.sheetToStage.id) {
         sheetApi.update(this.sheetToStage.id, this.sheetToStage, false).then(response => {
           this.$log.debug('Updated sheet', response.data.data)
diff --git a/src/views/sheet/components/SheetSettingDrawer.vue b/src/views/sheet/components/SheetSettingDrawer.vue
index 1466764a..8ddaa9c7 100644
--- a/src/views/sheet/components/SheetSettingDrawer.vue
+++ b/src/views/sheet/components/SheetSettingDrawer.vue
@@ -210,13 +210,6 @@ export default {
         })
         return
       }
-      if (!this.selectedSheet.originalContent) {
-        this.$notification['error']({
-          message: '提示',
-          description: '页面内容不能为空！'
-        })
-        return
-      }
       if (this.selectedSheet.id) {
         sheetApi.update(this.selectedSheet.id, this.selectedSheet, autoSave).then(response => {
           this.$log.debug('Updated sheet', response.data.data)
diff --git a/src/views/sheet/internal/PhotoList.vue b/src/views/sheet/internal/PhotoList.vue
index 1d828d66..6148ff39 100644
--- a/src/views/sheet/internal/PhotoList.vue
+++ b/src/views/sheet/internal/PhotoList.vue
@@ -85,7 +85,7 @@
               @click="showDrawer(item)"
             >
               <div class="photo-thumb">
-                <img :src="item.thumbnail">
+                <img :src="item.thumbnail" loading="lazy">
               </div>
               <a-card-meta>
                 <ellipsis