diff --git a/jeecg-boot/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml b/jeecg-boot/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml
index 1054ba7..d6e92ab 100644
--- a/jeecg-boot/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml
+++ b/jeecg-boot/jeecg-module-system/jeecg-system-start/src/main/resources/application-dev.yml
@@ -1,5 +1,5 @@
 server:
-  port: 8002
+  port: 8003
   undertow:
     # max-http-post-size: 10MB # 平替 tomcat server.tomcat.max-swallow-siz， undertow该值默认为-1
     worker-threads: 16  # 4核CPU标准配置
diff --git a/jeecgboot-vue3/src/views/applet/course-page/components/MobilePreview.vue b/jeecgboot-vue3/src/views/applet/course-page/components/MobilePreview.vue
index fab7562..966b3ab 100644
--- a/jeecgboot-vue3/src/views/applet/course-page/components/MobilePreview.vue
+++ b/jeecgboot-vue3/src/views/applet/course-page/components/MobilePreview.vue
@@ -24,7 +24,7 @@
                 <div v-else-if="component.type === 'image'" class="image-preview">
                   <img v-if="component.imageUrl" :src="component.imageUrl" :alt="component.alt" />
                   <div v-else class="placeholder-image">图片预览</div>
-                  <p v-if="component.alt" class="image-caption">{{ component.alt }}</p>
+<!--                  <p v-if="component.alt" class="image-caption">{{ component.alt }}</p>-->
                 </div>
                 <!-- 视频预览 -->
                 <div v-else-if="component.type === 'video'" class="video-preview">
@@ -277,4 +277,4 @@ const handleRefresh = () => {
     height: 568px;
   }
 }
-</style>
\ No newline at end of file
+</style>