修正代码中的注释错误

tem3dfdtd/main.f90

@@ -1,13 +1,13 @@
-!Copyright (c) 2013 by tdem.org under guide of Xiu Li(lixiu@chd.edu.cn)
-!written by Huaifeng Sun(sunhuaifeng@gmail.com) and Xushan Lu(luxushan@gmail.com)
-!Code distribution @ tdem.org or sunhuaifeng.com
+!Copyright (c) 2013 by https://git.em3d.cn/ under guide of Xiu Li(lixiu@chd.edu.cn)
+!written by Huaifeng Sun(sunhuaifeng@email.sdu.edu.cn) and Xushan Lu(luxushan@gmail.com)
+!Code distribution @ https://git.em3d.cn/
 
 ! This is a finite difference time domain (FDTD) code for the simulation of transient electromagnetic (TEM);
 ! This code is designed to  be used in semi_airborne TEM with a loop source;
-! This code is written by Huaifeng Sun (sunhuaifeng@gmail.com) and Xushan Lu (luxushan@gmail.com), The conformal mesh part is written by Xinyu Li (202335098@mail.sdu.edu.cn) and Qi Zhao(zhaoqi_326326@163.com);
+! This code is written by Huaifeng Sun (sunhuaifeng@email.sdu.edu.cn) and Xushan Lu (luxushan@gmail.com), The conformal mesh part is written by Xinyu Li (202335098@mail.sdu.edu.cn) and Qi Zhao(zhaoqi_326326@163.com);
 ! OpenACC API is used in this code for the acceleration with GPU device; therefore, you are recommended to compile this code with --
 ! --PGI Accelerator Fortran Workstation compiler. A Nvidia GPU card with CUDA capability is required if you want to run this code in parallel mode.
-! Nobody is allowed to copy or distribute this code to people outside of TDEM.org group without the permission from Prof. Xiu Li (lixiu@chd.edu.cn)--
+! Nobody is allowed to copy or distribute this code to people outside of https://git.em3d.cn/ group without the permission from Prof. Xiu Li (lixiu@chd.edu.cn)--
 ! --or you will be 
 ! Contact the author for more detailed information.