diff --git a/readme.md b/readme.md
index 5c7530b..74e9960 100644
--- a/readme.md
+++ b/readme.md
@@ -31,7 +31,7 @@
 
 - J01
 
-- B11/B20/B60/B02
+- B11/B20/B60/B02/B15
 
 - G02/G09/G11 (威盛康透传协议)
 #### 协议对应文档,及时更新