diff --git a/MicroPython_BUILD/components/micropython/esp32/modules/m5flow/m5stack.py b/MicroPython_BUILD/components/micropython/esp32/modules/m5flow/m5stack.py
index ca1cec5..fa23807 100644
--- a/MicroPython_BUILD/components/micropython/esp32/modules/m5flow/m5stack.py
+++ b/MicroPython_BUILD/components/micropython/esp32/modules/m5flow/m5stack.py
@@ -72,10 +72,9 @@ def delay(ms):
 
 
 def map_value(value, input_min, input_max, aims_min, aims_max):
-  value_deal = value * (aims_max - aims_min) / (input_max - input_min) + aims_min
-  value_deal = value_deal if value_deal < aims_max else aims_max
-  value_deal = value_deal if value_deal > aims_min else aims_min
-  return value_deal
+  value = min(max(input_min, value), input_max)
+  value_deal = (value - input_min) * (aims_max - aims_min) / (input_max - input_min) + aims_min
+  return round(value_deal, 2)
 
 # ------------------ M5Stack -------------------
 # Node ID
@@ -112,4 +111,4 @@ def wait(s):
       time.sleep_ms(10)
   else:
     time.sleep(s)
-# ---------------------------------------------------------------- #
\ No newline at end of file
+# ---------------------------------------------------------------- #