diff --git a/frontend/hooks/useLeafletMap.ts b/frontend/hooks/useLeafletMap.ts
index 9eca3e92..1ebea600 100644
--- a/frontend/hooks/useLeafletMap.ts
+++ b/frontend/hooks/useLeafletMap.ts
@@ -145,10 +145,11 @@ function getNearbyMarkerDisplayOffset(
   }
 
   const presets = [
-    { x: 54, y: -26 },
-    { x: -54, y: -26 },
-    { x: 54, y: 24 },
-    { x: -54, y: 24 },
+    { x: 0, y: -58 },
+    { x: 76, y: -34 },
+    { x: -76, y: -34 },
+    { x: 72, y: 34 },
+    { x: -72, y: 34 },
   ];
 
   return presets[index % presets.length];
@@ -409,7 +410,12 @@ export function useLeafletMap({
           iconAnchor: [16, 19],
           iconSize: [240, 38],
         });
-        L.marker([sLat, sLon], { icon }).addTo(layer);
+        L.marker([sLat, sLon], {
+          icon,
+          interactive: false,
+          keyboard: false,
+          bubblingMouseEvents: false,
+        }).addTo(layer);
         latLngs.push([sLat, sLon]);
       });
 
diff --git a/frontend/lib/dashboard-official-sources.ts b/frontend/lib/dashboard-official-sources.ts
index bfd8af24..5852ec0b 100644
--- a/frontend/lib/dashboard-official-sources.ts
+++ b/frontend/lib/dashboard-official-sources.ts
@@ -311,11 +311,6 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   shanghai: [
-    {
-      label: "NMC 全国主要机场天气预报",
-      href: "https://www.nmc.cn/publish/weather_forecast/swssr.htm",
-      kind: "agency",
-    },
     {
       label: "NMC 浦东天气",
       href: "https://m.nmc.cn/publish/forecast/ASH/pudong.html",
@@ -513,11 +508,6 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   chengdu: [
-    {
-      label: "NMC 全国主要机场天气预报",
-      href: "https://www.nmc.cn/publish/weather_forecast/swssr.htm",
-      kind: "agency",
-    },
     {
       label: "NMC 双流天气",
       href: "https://m.nmc.cn/publish/forecast/ASC/shuangliu.html",
@@ -535,11 +525,6 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   chongqing: [
-    {
-      label: "NMC 全国主要机场天气预报",
-      href: "https://www.nmc.cn/publish/weather_forecast/swssr.htm",
-      kind: "agency",
-    },
     {
       label: "NMC 渝北天气",
       href: "https://m.nmc.cn/publish/forecast/ACQ/yubei.html",
@@ -557,11 +542,6 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   shenzhen: [
-    {
-      label: "NMC 全国主要机场天气预报",
-      href: "https://www.nmc.cn/publish/weather_forecast/swssr.htm",
-      kind: "agency",
-    },
     {
       label: "NMC 深圳天气",
       href: "https://m.nmc.cn/publish/forecast/AGD/shenzuo.html",
@@ -664,11 +644,6 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   beijing: [
-    {
-      label: "NMC 全国主要机场天气预报",
-      href: "https://www.nmc.cn/publish/weather_forecast/swssr.htm",
-      kind: "agency",
-    },
     {
       label: "NMC 顺义天气",
       href: "https://m.nmc.cn/publish/forecast/ABJ/shunyi.html",
@@ -686,11 +661,6 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   wuhan: [
-    {
-      label: "NMC 全国主要机场天气预报",
-      href: "https://www.nmc.cn/publish/weather_forecast/swssr.htm",
-      kind: "agency",
-    },
     {
       label: "NMC 武汉天气",
       href: "https://m.nmc.cn/publish/forecast/AHB/wuhan.html",