diff --git a/README.md b/README.md
index 4455c0a..155dc7c 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,11 @@
 * `texlive` (packages: `ctex`, `tikz`, `svg`)
 * `inkscape` (for `svg` to work correctly)
 * `python3` (modules: `qrcode`)
-* `xpdf` (providing executable `pdftopng`, only for generating example graphics)
\ No newline at end of file
+* `xpdf` (providing executable `pdftopng`, only for generating example graphics)
+* Some fonts in FounderType (free download at [http://www.foundertype.com](http://www.foundertype.com/))
+  * 方正仿宋_GBK
+  * 方正黑体_GBK
+  * 方正细黑一_GBK
+  * 方正楷体_GBK
+  * 方正小标宋_GBK
+  * 方正书宋_GBK
\ No newline at end of file
diff --git a/examples/2015TB-000001.png b/examples/2015TB-000001.png
index dd43d55..904c25f 100644
--- a/examples/2015TB-000001.png
+++ b/examples/2015TB-000001.png
Binary files differ
diff --git a/examples/5030A-000001.png b/examples/5030A-000001.png
index 7f20b9d..5551f73 100644
--- a/examples/5030A-000001.png
+++ b/examples/5030A-000001.png
Binary files differ
diff --git a/examples/8050A-000001.png b/examples/8050A-000001.png
index 168b04f..b415b10 100644
--- a/examples/8050A-000001.png
+++ b/examples/8050A-000001.png
Binary files differ
diff --git a/examples/PASSSEAL-000001.png b/examples/PASSSEAL-000001.png
index bdcff7d..8e81512 100644
--- a/examples/PASSSEAL-000001.png
+++ b/examples/PASSSEAL-000001.png
Binary files differ
diff --git a/examples/PASSSEAL-000002.png b/examples/PASSSEAL-000002.png
index f8e820d..c6ce026 100644
--- a/examples/PASSSEAL-000002.png
+++ b/examples/PASSSEAL-000002.png
Binary files differ
diff --git a/skylabel.py b/skylabel.py
index 7f6056a..37634ba 100755
--- a/skylabel.py
+++ b/skylabel.py
@@ -15,7 +15,7 @@
 
 texPreamable = '''
 \\documentclass{minimal}
-\\usepackage[UTF8]{ctex}
+\\usepackage[UTF8,fontset=founder]{ctex}
 \\usepackage{hyperref}
 \\usepackage{graphicx}
 \\usepackage{tikz}