diff --git a/app/src/main/assets/help/ruleHelp.md b/app/src/main/assets/help/ruleHelp.md
index 9d3c6ade9..e6c1643a4 100644
--- a/app/src/main/assets/help/ruleHelp.md
+++ b/app/src/main/assets/help/ruleHelp.md
@@ -153,4 +153,4 @@ let options = {
 
 * 购买操作
 > 返回购买链接，可直接填写链接或者JavaScript  
-> 可用变量 book chapter
\ No newline at end of file
+> 可用变量 book chapter java(不支持AnalyzeRule函数) source
\ No newline at end of file