新增二区，二区东围栏判断

app.js

@@ -5,6 +5,8 @@
   getPoiName,
   getDistance,
   createGridIndex,
+  nearDistrict2,
+  nearDistrict2East,
 } from "./util";
 import md5 from "./libs/md5";
 import sensors from "./sensorsdata.esm.js";
@@ -328,7 +330,7 @@ const buildings = [
     ]
   },
   {
-    name: "二区东",
+    name: "二区东", 
     nameEn: "District 2-East",
     displayName: "新能源产品市场",
     displayNameEn: "New Energy Products Market",
@@ -438,6 +440,30 @@ App({
       isHighAccuracy: false,
       success: ({ latitude, longitude }) => {
         console.log('定位成功', latitude, longitude);
+
+        // 二区/二区东优先走围栏判断，最近点逻辑仅兜底
+        if (nearDistrict2East({ latitude, longitude })) {
+          const district2East = buildings.find((b) => b.name === "二区东");
+          if (district2East && this.currentBuilding.name !== district2East.name) {
+            this.currentBuilding = district2East;
+            console.log('initBuildingByLocation 切换到:', district2East.name);
+            this.updateSensorsMarketCode(district2East);
+            this.events.emit('building', district2East);
+          }
+          return;
+        }
+
+        if (nearDistrict2({ latitude, longitude })) {
+          const district2 = buildings.find((b) => b.name === "二区");
+          if (district2 && this.currentBuilding.name !== district2.name) {
+            this.currentBuilding = district2;
+            console.log('initBuildingByLocation 切换到:', district2.name);
+            this.updateSensorsMarketCode(district2);
+            this.events.emit('building', district2);
+          }
+          return;
+        }
+
         let nearest = null;
         let minDist = Infinity;
         buildings.forEach((building) => {

util.js

@@ -653,6 +653,15 @@ export const checkAuth = async () => {
   }
   return true;
 };
+export const nearDistrict2 = ({ latitude, longitude }) => {
+  return (
+    latitude < 29.336838 &&
+    latitude > 29.333700 &&
+    longitude < 120.108350 &&
+    longitude > 120.105050
+  );
+};
+
 export const nearDistrict2East = ({ latitude, longitude }) => {
   return (
     latitude < 29.333647 &&