diff --git a/apps/mosquito/api/serializers.py b/apps/mosquito/api/serializers.py
index 5849829..dbdbace 100644
--- a/apps/mosquito/api/serializers.py
+++ b/apps/mosquito/api/serializers.py
@@ -50,6 +50,7 @@ class DeviceTempLogSerializer(serializers.ModelSerializer):
 
 
 class WeatherLogSerializer(serializers.ModelSerializer):
+    power = serializers.SerializerMethodField()
     data_time = serializers.SerializerMethodField()
     create_time = serializers.SerializerMethodField()
 
@@ -78,6 +79,9 @@ class WeatherLogSerializer(serializers.ModelSerializer):
             'create_time',
         ]
 
+    def get_power(self, obj):
+        power = int((float(obj.power) - 8.5) / 4.1 * 100)
+        return str(power)
     def get_data_time(self, obj):
         return obj.data_time.strftime('%Y-%m-%d %H:%M:%S')
     def  get_create_time(self, obj):