diff --git a/src/project/saas/AppCooperationPropaganda/detail.vue b/src/project/saas/AppCooperationPropaganda/detail.vue
index 40a8347a..cf0135d0 100644
--- a/src/project/saas/AppCooperationPropaganda/detail.vue
+++ b/src/project/saas/AppCooperationPropaganda/detail.vue
@@ -135,7 +135,10 @@ export default {
     },
     ...mapActions(['previewFile']),
     prevFile(file) {
-      this.previewFile({ ...file })
+      uni.showLoading({title: '加载中'})
+      this.previewFile({ ...file }).then(()=>{
+        uni.hideLoading()
+      })
     },
     // 拒绝
     refuseBtn() {