diff --git a/public/static/js/phone-image.js b/public/static/js/phone-image.js
index 66e07a4..fa49425 100644
--- a/public/static/js/phone-image.js
+++ b/public/static/js/phone-image.js
@@ -955,7 +955,7 @@ var PhoneImageEngine = (function () {
                             captureNext();
                         }).catch(function () {
                             // 加载失败，回退到html2canvas
-                            capturePageViaHtml2Canvas($elem, $staging, opts, results, idx, total, deferred, captureNext);
+                            capturePageViaHtml2Canvas($elem, $staging, opts, results, deferred, function () { idx++; captureNext(); });
                         });
                         return;
                     } else {
@@ -968,7 +968,7 @@ var PhoneImageEngine = (function () {
                 }
             }
 
-            capturePageViaHtml2Canvas($elem, $staging, opts, results, idx, total, deferred, captureNext);
+            capturePageViaHtml2Canvas($elem, $staging, opts, results, deferred, function () { idx++; captureNext(); });
         }
 
         captureNext();
@@ -977,7 +977,7 @@ var PhoneImageEngine = (function () {
     /**
      * 用html2canvas截图单页
      */
-    function capturePageViaHtml2Canvas($elem, $staging, opts, results, idx, total, deferred, captureNext) {
+    function capturePageViaHtml2Canvas($elem, $staging, opts, results, deferred, onDone) {
         html2canvas($elem[0], {
             scale: opts.scale,
             useCORS: true,
@@ -991,11 +991,10 @@ var PhoneImageEngine = (function () {
             } else {
                 results.push(canvas.toDataURL('image/jpeg', opts.quality));
             }
-            idx++;
-            captureNext();
+            onDone();
         }).catch(function (err) {
             $staging.css({ visibility: 'hidden' });
-            deferred.reject('截图失败(第' + (idx + 1) + '页): ' + err);
+            deferred.reject('截图失败: ' + err);
         });
     }