diff --git a/src/components/Modules/EnergyCostAnalysis/BadGas/index.jsx b/src/components/Modules/EnergyCostAnalysis/BadGas/index.jsx
index d904ffd..e61f21c 100644
--- a/src/components/Modules/EnergyCostAnalysis/BadGas/index.jsx
+++ b/src/components/Modules/EnergyCostAnalysis/BadGas/index.jsx
@@ -164,7 +164,7 @@ function getOptions(period, trend) {
       },
     },
     series: {
-      data: trend[period].map(item => item != null && (+item).toFixed(2)),
+      data: trend[period].map(item => item != null ? (+item).toFixed(2) : null),
       type: "line",
       symbol: "circle",
       symbolSize: 6,
diff --git a/src/components/Modules/EnergyCostAnalysis/NatGas/index.jsx b/src/components/Modules/EnergyCostAnalysis/NatGas/index.jsx
index 0a339d7..b929e45 100644
--- a/src/components/Modules/EnergyCostAnalysis/NatGas/index.jsx
+++ b/src/components/Modules/EnergyCostAnalysis/NatGas/index.jsx
@@ -163,7 +163,7 @@ function getOptions(period, trend) {
       },
     },
     series: {
-      data: trend[period].map(item => item != null && (+item).toFixed(2)),
+      data: trend[period].map(item => item != null ? (+item).toFixed(2) : null),
       type: "line",
       symbol: "circle",
       symbolSize: 6,
diff --git a/src/utils/energeChartOption.js b/src/utils/energeChartOption.js
index bbb0447..4d72482 100644
--- a/src/utils/energeChartOption.js
+++ b/src/utils/energeChartOption.js
@@ -101,7 +101,9 @@ export function getOptions(period, source, trend, options = {}) {
                   ? null
                   : (+item.qty).toFixed(2)
               )
-            : trend[period].map(item => item != null && (+item).toFixed(2)),
+            : trend[period].map((item) =>
+                item != null ? (+item).toFixed(2) : null
+              ),
         type: "line",
         symbol: "circle",
         symbolSize: 6,