feat: 新增彩云气象数据下载的时间控制

templates/imdroid_radar.html

@@ -111,21 +111,13 @@
       if (!res.ok) throw new Error('实时数据不存在');
       const j = await res.json();
       setRealtimeBox(j);
-      const miss = document.getElementById('rt_missing');
-      if (miss) miss.classList.add('hidden');
     }
 
     async function loadRealtimeAt(alias, dtStr) {
       const res = await fetch(`/api/radar/weather_at?alias=${encodeURIComponent(alias)}&dt=${encodeURIComponent(dtStr)}`);
-      if (!res.ok) {
-        const miss = document.getElementById('rt_missing');
-        if (miss) miss.classList.remove('hidden');
-        return false;
-      }
+      if (!res.ok) { return false; }
       const j = await res.json();
       setRealtimeBox(j);
-      const miss = document.getElementById('rt_missing');
-      if (miss) miss.classList.add('hidden');
       return true;
     }
 
@@ -686,7 +678,7 @@
         <div>下行短波：<span id="rt_dswrf"></span> W/m²</div>
         <div>气压：<span id="rt_p"></span> Pa</div>
       </div>
-      <div id="rt_missing" class="mt-2 hidden p-2 text-sm text-yellow-800 bg-yellow-50 border border-yellow-200 rounded">提示：该时次的 10 分钟实况缺失，已显示最近/最新实况。</div>
+      
     </div>
 
     <div class="card my-4">