diff --git a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
index 5279efb..7a71206 100644
--- a/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
+++ b/app/src/main/java/com/casic/app/safetreecontroller/fragments/MethaneMonitorFragment.kt
@@ -111,8 +111,8 @@
         binding.updateThresholdButton.setOnClickListener {
             //更新甲烷阈值
             val threshold = binding.thresholdView.text.toString().toFloat()
-            if (threshold > 1f) {
-                "报警阈值不能超过1%VOL".show(requireContext())
+            if (threshold > 10f) {
+                "报警阈值不能超过10%VOL".show(requireContext())
                 return@setOnClickListener
             }