diff --git a/src/common/util.js b/src/common/util.js
index 78d4e65f..9a23fbbe 100644
--- a/src/common/util.js
+++ b/src/common/util.js
@@ -233,7 +233,19 @@ const idCardNoUtil = {
     return code && code.replace(/^(\d{10})\d{4}(.{4}$)/g, `$1${Array(5).join('*')}$2`) || "-"
   }
 }
-
+/**
+ * 封装权限判断方法
+ */
+export const $permissions = flag => {
+  let buttons = []
+  if (localStorage.getItem('vuex')) {
+    const vuex = JSON.parse(localStorage.getItem('vuex'))
+    buttons = vuex.user.buttons
+  }
+  if (buttons && buttons.length > 0) {
+    return buttons.some(b => b.id == flag || b.permission == flag)
+  } else return false
+}
 export default {
   dict,
   confirm,
@@ -277,5 +289,6 @@ export default {
   },
   dayjs,
   idCardNoUtil,
-  qs
+  qs,
+  $permissions
 }