diff --git a/backend/device_manager.py b/backend/device_manager.py
index 5becb90f..4389ecc5 100644
--- a/backend/device_manager.py
+++ b/backend/device_manager.py
@@ -2502,13 +2502,13 @@ class RealPressureDevice:
             right_rear_pct = float((right_rear / right_total_abs * 100) if right_total_abs > 0 else 0)
 
             return {
-                'left_front': int(left_front_pct),
-                'left_rear': int(left_rear_pct),
-                'right_front': int(right_front_pct),
-                'right_rear': int(right_rear_pct),
-                'left_total': int(left_total_pct),
-                'right_total': int(right_total_pct),
-                'total_pressure': int(total_abs)
+                'left_front': round(left_front_pct),
+                'left_rear': round(left_rear_pct),
+                'right_front': round(right_front_pct),
+                'right_rear': round(right_rear_pct),
+                'left_total': round(left_total_pct),
+                'right_total': round(right_total_pct),
+                'total_pressure': round(total_abs)
             }
         except Exception as e:
             logger.error(f"计算足部区域压力异常: {e}")