diff --git a/pages/user/invoice/invoice_history/invoice_history.js b/pages/user/invoice/invoice_history/invoice_history.js
index 9692e40..169c1d1 100644
--- a/pages/user/invoice/invoice_history/invoice_history.js
+++ b/pages/user/invoice/invoice_history/invoice_history.js
@@ -19,24 +19,32 @@ Page({
   },
   get_download(e) {
     // console.log(e);
-    let url =e.currentTarget.dataset.url
+    wx.showLoading({
+      title: '正在加载',
+      mask: true,
+    })
+
+    let url = e.currentTarget.dataset.url
     wx.downloadFile({
       url,
       header: {
-          'content-type': 'application/json',
-        },
+        'content-type': 'application/json',
+      },
       success: function (res) {
-          let filePath = res.tempFilePath
-          wx.openDocument({
-              filePath: filePath,
-              fileType:"pdf",
-              showMenu:true,
-              success: function (res) {
-                  console.log('打开文档成功')
-              }
-          })
-      }
-  })
+        let filePath = res.tempFilePath
+        wx.openDocument({
+          filePath: filePath,
+          fileType: "pdf",
+          showMenu: true,
+          success: function (res) {
+            console.log('打开文档成功')
+          }
+        })
+      },
+    })
+    setTimeout(() => {
+      wx.hideLoading()
+    }, 1000);
   },
   /**
    * 生命周期函数--监听页面初次渲染完成