diff --git a/src/views/portal/case/Detail.vue b/src/views/portal/case/Detail.vue
index 5ffe6e31..fa5f7f6d 100644
--- a/src/views/portal/case/Detail.vue
+++ b/src/views/portal/case/Detail.vue
@@ -651,6 +651,9 @@ export default {
       });
     },
     getCaseData() {
+      // 清空pdf数据
+      this.pdfPath = '';
+
       let $this = this;
       apiCase.details(this.resolveId, true).then(res => {
         if (res.status == 200) {