diff --git a/firmware_info.json b/firmware_info.json
index bee590d..dc8be44 100644
--- a/firmware_info.json
+++ b/firmware_info.json
@@ -1 +1 @@
-{"latest_version":"1.2.1"}
\ No newline at end of file
+{"latest_version":"1.2.2"}
\ No newline at end of file
diff --git a/knob_v1.2.2_beta.bin b/knob_v1.2.2_beta.bin
new file mode 100644
index 0000000..a8a1d21
Binary files /dev/null and b/knob_v1.2.2_beta.bin differ
diff --git a/upgrade_info.json b/upgrade_info.json
index 556923d..9e88f23 100644
--- a/upgrade_info.json
+++ b/upgrade_info.json
@@ -2,8 +2,8 @@
 	"code":0,
 	"msg":"succ",
 	"data":{
-	"knob_version":1201,
-	"knob_url":"https://gitee.com/laidaixi/knob_ota/raw/master/knob_v1.2.1_beta.bin",
+	"knob_version":1202,
+	"knob_url":"https://gitee.com/laidaixi/knob_ota/raw/master/knob_v1.2.2_beta.bin",
 	"mcu_version":1002,
 	"mcu_url":"https://gitee.com/laidaixi/mcu_ota/raw/master/H220_SPLAN_V1001_beta.hex"
 	}