diff --git a/src/views/AssetManagement/components/AssetTableModalRightInfo.vue b/src/views/AssetManagement/components/AssetTableModalRightInfo.vue
index f4a86c2..4ab70c0 100644
--- a/src/views/AssetManagement/components/AssetTableModalRightInfo.vue
+++ b/src/views/AssetManagement/components/AssetTableModalRightInfo.vue
@@ -36,14 +36,25 @@ const defaultOption = (map, data = []) => {
   // 生成坐標數據，根據坐標值的不同設置不同顏色
   const formattedData = data.map((coordinate) => {
     const coordString = JSON.stringify(coordinate);
+    
+    // 解析 device_coordinate 為數值陣列進行比對
+    let isSelected = false;
+    if (formState.value.device_coordinate) {
+      try {
+        const deviceCoord = JSON.parse(formState.value.device_coordinate);
+        // 比對數值而非字串，避免精度問題
+        isSelected = coordinate.length === deviceCoord.length && 
+                    coordinate.every((val, index) => Math.abs(val - deviceCoord[index]) < 0.001);
+      } catch (e) {
+        console.warn('解析 device_coordinate 失敗:', e);
+      }
+    }
+    
     return {
       name: coordString,
       value: coordinate,
       itemStyle: {
-        color:
-          coordString === formState.value.device_coordinate
-            ? "#0000FF"
-            : "#b02a02",
+        color: isSelected ? "#0000FF" : "#b02a02",
       },
     };
   });
@@ -117,7 +128,7 @@ const getCoordinate = (position) => {
 
 <template>
   <!-- 平面圖 -->
-  
+
   <div class="flex gap-4 mb-5">
     <Select
       :value="formState"