diff --git a/.gitignore b/.gitignore
index c9be50e..3a67958 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,8 +11,6 @@ release/*
 save/*
 .cache/*
 .vscode/*
-src/ctai_cmark-gfm.cpp
-src/ctai_cmark-gfm.h
 # Compiled Java class files
 *.class
 
diff --git a/3rdparty/MicroTeX b/3rdparty/MicroTeX
new file mode 160000
index 0000000..0e3707f
--- /dev/null
+++ b/3rdparty/MicroTeX
@@ -0,0 +1 @@
+Subproject commit 0e3707f6dafebb121d98b53c64364d16fefe481d
diff --git a/src/ctai_math_convert.cpp b/src/ctai_math_convert.cpp
index 9adc55b..9e19999 100644
--- a/src/ctai_math_convert.cpp
+++ b/src/ctai_math_convert.cpp
@@ -44,6 +44,7 @@ void ctai_math_convert::math_convert_svg(const QString &latex)
     }
     else
     {
+        //输出base64
         qDebug() << "svg_to_base64:" << QString::fromUtf8(svg_to_base64(pix));
     }
 }