libigl now change dependency download link to dalab server now

README.md

@@ -54,9 +54,9 @@ Rename your compressed file following the rule *`NAME_ID_XXX`*.
 
     This may caused by problem of accessing github. Please first try use [SJTU VPN](!https://net.sjtu.edu.cn/wlfw/VPN.htm) and compile. 
 
-    Also, some repos are available on our own server, such as *Eigen*. The download info of libigl dependencies is located at file `libigl/cmake/LibiglDownloadExternal.cmake`. For example, you can change the link at line 70 to `http://dalab.se.sjtu.edu.cn/gitlab/xiaoyuwei/eigen.git` use eigen mirror repo at DALAB server.
+    ~~Also, some repos are available on our own server, such as *Eigen*. The download info of libigl dependencies is located at file `libigl/cmake/LibiglDownloadExternal.cmake`. For example, you can change the link at line 70 to `http://dalab.se.sjtu.edu.cn/gitlab/xiaoyuwei/eigen.git` use eigen mirror repo at DALAB server.~~
 
-    glfw (http://dalab.se.sjtu.edu.cn/gitlab/xiaoyuwei/glfw.git) and imgui (http://dalab.se.sjtu.edu.cn/gitlab/xiaoyuwei/imgui.git) are also available on our server.
+    ~~glfw (http://dalab.se.sjtu.edu.cn/gitlab/xiaoyuwei/glfw.git) and imgui (http://dalab.se.sjtu.edu.cn/gitlab/xiaoyuwei/imgui.git) are also available on our server.~~
 
 
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