fix复制问题

src/directive/module/clipboard.js

@@ -5,7 +5,7 @@
 
 import Clipboard from 'clipboard'
 export default {
-  bind(el, binding, vnode) {
+  mounted(el, binding, vnode) {
     switch (binding.arg) {
     case 'success':
       el._vClipBoard_success = binding.value;
@@ -23,6 +23,7 @@ export default {
         callback && callback(e);
       });
       clipboard.on('error', e => {
+        console.log('复制失败', e)
         const callback = el._vClipBoard_error;
         callback && callback(e);
       });