diff --git a/Bootstrap.Admin/wwwroot/images/Pic0.jpg b/Bootstrap.Admin/wwwroot/images/Pic0.jpg
new file mode 100644
index 00000000..ccfbedd1
Binary files /dev/null and b/Bootstrap.Admin/wwwroot/images/Pic0.jpg differ
diff --git a/Bootstrap.Admin/wwwroot/images/Pic1.jpg b/Bootstrap.Admin/wwwroot/images/Pic1.jpg
new file mode 100644
index 00000000..689cc20c
Binary files /dev/null and b/Bootstrap.Admin/wwwroot/images/Pic1.jpg differ
diff --git a/Bootstrap.Admin/wwwroot/images/Pic2.jpg b/Bootstrap.Admin/wwwroot/images/Pic2.jpg
new file mode 100644
index 00000000..6ec84255
Binary files /dev/null and b/Bootstrap.Admin/wwwroot/images/Pic2.jpg differ
diff --git a/Bootstrap.Admin/wwwroot/images/Pic3.jpg b/Bootstrap.Admin/wwwroot/images/Pic3.jpg
new file mode 100644
index 00000000..d1d1553d
Binary files /dev/null and b/Bootstrap.Admin/wwwroot/images/Pic3.jpg differ
diff --git a/Bootstrap.Admin/wwwroot/images/Pic4.jpg b/Bootstrap.Admin/wwwroot/images/Pic4.jpg
new file mode 100644
index 00000000..d718c2bb
Binary files /dev/null and b/Bootstrap.Admin/wwwroot/images/Pic4.jpg differ
diff --git a/Bootstrap.Admin/wwwroot/lib/captcha/longbow.slidercaptcha.js b/Bootstrap.Admin/wwwroot/lib/captcha/longbow.slidercaptcha.js
index 107295a2..feabdbaa 100644
--- a/Bootstrap.Admin/wwwroot/lib/captcha/longbow.slidercaptcha.js
+++ b/Bootstrap.Admin/wwwroot/lib/captcha/longbow.slidercaptcha.js
@@ -126,6 +126,9 @@
         var getRandomNumberByRange = function (start, end) {
             return Math.round(Math.random() * (end - start) + start);
         };
+        var localImg = function () {
+            return $.format('../images/Pic{0}.jpg', Math.round(Math.random() * 4));
+        };
         var img = new Image();
         img.crossOrigin = "Anonymous";
         img.onload = function () {
@@ -144,7 +147,7 @@
             that.text.text(that.text.attr('data-text'));
         };
         img.onerror = function () {
-            img.setSrc();
+            img.src = localImg();
         }
         img.setSrc = function () {
             var src = '';