diff --git a/dsRag/Doc/MathType/录入化学方程式的办法.md b/dsRag/Doc/MathType/录入化学方程式的办法.md
index 7285b0dc..e421effc 100644
--- a/dsRag/Doc/MathType/录入化学方程式的办法.md
+++ b/dsRag/Doc/MathType/录入化学方程式的办法.md
@@ -27,6 +27,7 @@
 ````cmd
 pandoc -f docx -t markdown --extract-media ./images -o c:/1.md D:\dsWork\dsProject\dsRag\Test\化学方程式_CHEMISTRY_1.docx
 ````
-
+MathType 输入空格 | 多行公式对齐 | 标志符号垂直对齐 | 大括号分段函数对齐 | 方程组对齐 | 矩阵对齐 | 公式编号对齐 | 花体字 空心字 | 论文排版
+https://blog.csdn.net/u013669912/article/details/142323661
 
 
diff --git a/dsRag/Txt/CHEMISTRY_1_1.txt b/dsRag/Txt/CHEMISTRY_1_1.txt
index 3b518ddf..1348d8c9 100644
--- a/dsRag/Txt/CHEMISTRY_1_1.txt
+++ b/dsRag/Txt/CHEMISTRY_1_1.txt
@@ -1,2 +1,2 @@
 氧化铁和硝酸的反应方程式
-FeO+4HNO_{ 3 }  ⇒Fe(NO_{ 3 }  )_{ 3 }  +2H_{ 2 }  O+NO_{ 2 }  ↑
\ No newline at end of file
+FeO+4HNO_{ 3 }   \begin{array} {}   {\underline{ \quad Δ\quad  }}   \\ 或光照 \\  \end{array} Fe(NO_{ 3 }  )_{ 3 }  +2H_{ 2 }  O+NO_{ 2 }  ↑
\ No newline at end of file
diff --git a/dsRag/Util/__pycache__/DocxUtil.cpython-310.pyc b/dsRag/Util/__pycache__/DocxUtil.cpython-310.pyc
index cd2e3a90..441efbe6 100644
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diff --git a/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx b/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx
index 4ebc9a7b..d2c6d73a 100644
Binary files a/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx and b/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx differ