Merge branch 'dev_1.1.7' of https://git.yishihui.com/DeNet/de-net into dev_1.1.7

src/logic/content/twitter.js

@@ -400,7 +400,7 @@ function _addIframe() {
     let iframe = document.createElement('iframe');
     iframe.src = chrome.runtime.getURL('/iframe/publish.html')
     iframe.id = 'iframe-content'
-    iframe.style.cssText = 'position:fixed;top:0px;right:0;display:block; width:100%;height:100%;z-index:10000; border: medium none;display:none';
+    iframe.style.cssText = 'position:fixed;top:0px;right:0;display:block; width:100%;height:100%;z-index:10000; border: medium none;display:none;background: rgba(255,255,255,0);';
     // shadowRoot.appendChild(iframe);
     // document.body.appendChild(span)
     dom.iframe = iframe;