diff --git a/js/background.js b/js/background.js
index 54226cf..8119772 100644
--- a/js/background.js
+++ b/js/background.js
@@ -18,10 +18,12 @@ chrome.contextMenus.onClicked.addListener((clickData, tab) => {
         } else {
             let title = ''
             let url = ''
+            let isImg = false
             if (clickData.mediaType === 'image') {
                 // alt text
                 title = typeof(result) == 'undefined' ? '' : result
                 url = clickData.srcUrl
+                isImg = true
             } else if (typeof(clickData.linkUrl) !== 'undefined') {
                 title = typeof(clickData.selectionText) == 'undefined' ? '未选中文字' : clickData.selectionText
                 url = clickData.linkUrl
@@ -34,10 +36,14 @@ chrome.contextMenus.onClicked.addListener((clickData, tab) => {
             let urlMode = parseInt(localStorage.getItem("urlMode"))
             let md = ''
 
+            if (isImg) {
+                md += '!'
+            }
+
             if (urlMode === 1) {
-                md = `[${title}](${formatUrl(url)})`
+                md += `[${title}](${formatUrl(url)})`
             } else {
-                md = `[${title}](${url})`
+                md += `[${title}](${url})`
             }
 
             copy(md)
diff --git a/manifest.json b/manifest.json
index 54ec939..91e5581 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,8 +1,8 @@
 {
   "manifest_version": 2,
   "name": "url2md",
-  "version": "1.0.0",
-  "description": "方便markdwon写作的小工具，复制url转成markdown格式",
+  "version": "1.1.0",
+  "description": "Copy & Convert Url to Markdown format - 方便markdwon写作的小工具，复制url转成markdown格式",
   "icons":
   {
     "16": "img/icon.png",
@@ -31,8 +31,6 @@
   [
     "contextMenus",
     "tabs",
-    "webRequest",
-    "webRequestBlocking",
     "storage",
     "http://*/*",
     "https://*/*"