feat：去除等待进度条

templates/index.html

@@ -119,29 +119,6 @@
             border-top: 1px solid #ddd;
         }
 
-        /* 加载动画样式 */
-        .loading-spinner {
-            display: inline-block;
-            width: 20px;
-            height: 20px;
-            border: 2px solid #f3f3f3;
-            border-top: 2px solid #007bff;
-            border-radius: 50%;
-            animation: spin 1s linear infinite;
-            margin-left: 8px;
-        }
-
-        @keyframes spin {
-            0% { transform: rotate(0deg); }
-            100% { transform: rotate(360deg); }
-        }
-
-        .countdown {
-            font-size: 14px;
-            color: #666;
-            margin-left: 10px;
-        }
-
         @media (max-width: 768px) {
             .controls {
                 flex-direction: column;
@@ -808,9 +785,9 @@
             
             latestDataElement.style.opacity = 0.6;
             
-            // 添加加载动画和倒计时
+            // 显示查询状态
             const originalText = queryBtn.innerHTML;
-            queryBtn.innerHTML = '查询中<span class="loading-spinner"></span>';
+            queryBtn.textContent = '查询中...';
             queryBtn.disabled = true;
 
             // 先获取一次当前最新数据
@@ -837,20 +814,6 @@
                         return;
                     }
                     
-                    // 开始10秒倒计时
-                    let countdown = 10;
-                    queryBtn.innerHTML = `等待设备响应<span class="loading-spinner"></span><span class="countdown">${countdown}秒</span>`;
-                    
-                    const countdownTimer = setInterval(() => {
-                        countdown--;
-                        if (countdown > 0) {
-                            queryBtn.innerHTML = `等待设备响应<span class="loading-spinner"></span><span class="countdown">${countdown}秒</span>`;
-                        } else {
-                            clearInterval(countdownTimer);
-                            queryBtn.innerHTML = '获取最新数据中<span class="loading-spinner"></span>';
-                        }
-                    }, 1000);
-                    
                     // 等待10秒后获取最新数据（给设备响应时间）
                     setTimeout(() => {
                         fetchLatestData();
@@ -858,7 +821,6 @@
                         latestDataElement.style.opacity = 1;
                         queryBtn.innerHTML = originalText;
                         queryBtn.disabled = false;
-                        clearInterval(countdownTimer);
                     }, 10000);
                 } else {
                     console.error('发送查询指令失败:', data.message);