chore: update twitter icon

_jade/en/index.jade

diff --git a/_jade/en/index.jade b/_jade/en/index.jade
index eeaa4f4..06ab9bc 100644
--- a/_jade/en/index.jade
+++ b/_jade/en/index.jade
@@ -155,7 +155,7 @@
                                 .btn-content
                                     .btn-logo
                                         include ../components/svg/twitter
-                                        span Twitter
+                                        span  
                                     .icon-v-right
         include ./footer
 

_jade/zh/index.jade

diff --git a/_jade/zh/index.jade b/_jade/zh/index.jade
index cb2962f..72d705c 100644
--- a/_jade/zh/index.jade
+++ b/_jade/zh/index.jade
@@ -154,7 +154,7 @@
                                 .btn-content
                                     .btn-logo
                                         include ../components/svg/twitter
-                                        span Twitter
+                                        span  
                                     .icon-v-right
         include ../components/footer
 

images/icon-twitter.png

diff --git a/images/icon-twitter.png b/images/icon-twitter.png
index 8130e24..1cd3473 100644
--- a/images/icon-twitter.png
+++ b/images/icon-twitter.png
Binary files differ