diff --git a/src/main/java/cc/niushuai/gasweb/controller/ChartController.java b/src/main/java/cc/niushuai/gasweb/controller/ChartController.java
index ddc6af8..2b46a30 100644
--- a/src/main/java/cc/niushuai/gasweb/controller/ChartController.java
+++ b/src/main/java/cc/niushuai/gasweb/controller/ChartController.java
@@ -109,7 +109,7 @@ public class ChartController {
                 ChartResp co2 = new ChartResp("CO2浓度");
                 ChartResp ch4 = new ChartResp("CH4浓度");
                 ChartResp temperature = new ChartResp("环境温度");
-                ChartResp rp2024_temperature = new ChartResp("rp2024温度");
+                ChartResp RP2040_temperature = new ChartResp("RP2040温度");
 
 
                 for (Gas gas : allList) {
@@ -120,14 +120,14 @@ public class ChartController {
                     co2.getData().add(new ChartResp.Data(dateTime, gas.getCo2()));
                     ch4.getData().add(new ChartResp.Data(dateTime, gas.getCh4()));
                     temperature.getData().add(new ChartResp.Data(dateTime, gas.getTemperature()));
-                    rp2024_temperature.getData().add(new ChartResp.Data(dateTime, gas.getRp2040Temperature()));
+                    RP2040_temperature.getData().add(new ChartResp.Data(dateTime, gas.getRp2040Temperature()));
                 }
 
                 map.put("co", co);
                 map.put("co2", co2);
                 map.put("ch4", ch4);
                 map.put("temperature", temperature);
-                map.put("rp2024_temperature", rp2024_temperature);
+                map.put("RP2040_temperature", RP2040_temperature);
             }
         } catch (Exception e) {
             log.error("fetch gas failed", e);
diff --git a/src/main/resources/templates/index.ftl b/src/main/resources/templates/index.ftl
index 66df775..e84d31e 100644
--- a/src/main/resources/templates/index.ftl
+++ b/src/main/resources/templates/index.ftl
@@ -126,7 +126,7 @@
                 rebuildChart(co2Chart, data.co2, 'ppm');
                 rebuildChart(ch4Chart, data.ch4, 'ppm');
                 rebuildChart(tempChart, data.temperature, '°C');
-                rebuildChart(rp2040_tempChart, data.rp2024_temperature, '°C');
+                rebuildChart(rp2040_tempChart, data.RP2040_temperature, '°C');
                 rebuildChart(ch2oChart, data.ch2o, 'ppb');
             }
         });