fix bugs on Windows and ctex

manimlib/constants.py

@@ -29,7 +29,7 @@ def initialize_directories(config):
                 "Dropbox (3Blue1Brown)/3Blue1Brown Team Folder"
             )
         if not os.path.isdir(MEDIA_DIR):
-            MEDIA_DIR = "./media"
+            MEDIA_DIR = os.path.join(os.getcwd(), "media")
         print(
             f"Media will be written to {MEDIA_DIR + os.sep}. You can change "
             "this behavior with the --media_dir flag."

manimlib/ctex_template.tex

@@ -1,4 +1,5 @@
 \documentclass[preview]{standalone}
+\usepackage[UTF8]{ctex}
 
 \usepackage[english]{babel}
 \usepackage{amsmath}
@@ -16,7 +17,6 @@
 \usepackage{xcolor}
 \usepackage{microtype}
 %\DisableLigatures{encoding = *, family = * }
-\usepackage[UTF8]{ctex}
 \linespread{1}
 
 \begin{document}