diff --git a/src/views/CA/UnitApply.vue b/src/views/CA/UnitApply.vue
index 50dba35..3ab3655 100644
--- a/src/views/CA/UnitApply.vue
+++ b/src/views/CA/UnitApply.vue
@@ -103,11 +103,10 @@
             <FormItem label="授权委托书" v-bind="validateInfos.loaPicId">
               <input v-model="modelRef.loaPicId" hidden />
               <Upload
-                accept="image/*"
+                accept="application/pdf"
                 action="/api2/upload/uploadfile"
                 v-model:fileList="loaPicFileList"
-                :beforeUpload="beforeUpload"
-                list-type="picture"
+                :beforeUpload="file => beforeUpload(file, true)"
                 @change="info => handleChange(info, 'loaPicId')"
                 :disabled="disabledUpload"
               >
@@ -182,7 +181,7 @@
             <FormItem>
               <Popover title="说明">
                 <template #content>
-                  <p>请将两页纸一起拍照或扫描上传</p>
+                  <p>上传的文件pdf大小不得超过2Mb</p>
                 </template>
                 <Button type="link"
                   ><a
@@ -510,17 +509,20 @@ export default {
         }
       }
     };
-    const beforeUpload = file => {
-      const isJpgOrPng =
-        file.type === "image/jpeg" || file.type === "image/png";
-      if (!isJpgOrPng) {
-        message.error("只能上传jpeg/png格式的图片文件");
+    const beforeUpload = (file, isPdf) => {
+      console.log(file, isPdf);
+      const isValid =
+        isPdf === true
+          ? file.type === "application/pdf"
+          : file.type === "image/jpeg" || file.type === "image/png";
+      if (!isValid) {
+        message.error("只能上传受支持格式的文件");
       }
       const isLt2M = file.size / 1024 / 1024 < 2;
       if (!isLt2M) {
         message.error("文件大小超过2MB!");
       }
-      return isJpgOrPng && isLt2M;
+      return isValid && isLt2M;
     };
     const handleChange = (info, name) => {
       console.log(info.file.status, info.file, info.fileList);