优化关闭按钮逻辑，简化代码结构

src/components/olmap/core/Controls/HistoryDataPanel.tsx

@@ -432,6 +432,7 @@ const SCADADataPanel: React.FC<SCADADataPanelProps> = ({
   end_time,
   onClose,
 }) => {
+  const handleClose = onClose ?? (() => {});
   // 从 featureInfos 中提取设备 ID 列表
   const deviceIds = useMemo(
     () => featureInfos.map(([id]) => id),
@@ -931,19 +932,17 @@ const SCADADataPanel: React.FC<SCADADataPanelProps> = ({
                     }}
                   />
                 </Stack>
-                {onClose && (
-                  <Tooltip title="关闭">
-                    <IconButton
-                      className="panel-close-button"
-                      size="small"
-                      onClick={onClose}
-                      aria-label="关闭历史数据面板"
-                      sx={panelHeaderActionSx}
-                    >
-                      <Close fontSize="small" />
-                    </IconButton>
-                  </Tooltip>
-                )}
+                <Tooltip title="关闭">
+                  <IconButton
+                    className="panel-close-button"
+                    size="small"
+                    onClick={handleClose}
+                    aria-label="关闭历史数据面板"
+                    sx={panelHeaderActionSx}
+                  >
+                    <Close fontSize="small" />
+                  </IconButton>
+                </Tooltip>
               </Stack>
             </Box>
 

src/components/olmap/core/Controls/PropertyPanel.tsx

@@ -36,6 +36,7 @@ const PropertyPanel: React.FC<PropertyPanelProps> = ({
   onClose,
 }) => {
   const draggableRef = useRef<HTMLDivElement>(null);
+  const handleClose = onClose ?? (() => {});
   const headerActionSx = {
     color: "common.white",
     backgroundColor: "rgba(255,255,255,0.08)",
@@ -93,19 +94,17 @@ const PropertyPanel: React.FC<PropertyPanelProps> = ({
             </svg>
             <h3 className="text-lg font-semibold">属性面板</h3>
           </div>
-          {onClose && (
-            <Tooltip title="关闭">
-              <IconButton
-                className="panel-close-button"
-                size="small"
-                onClick={onClose}
-                aria-label="关闭属性面板"
-                sx={headerActionSx}
-              >
-                <Close fontSize="small" />
-              </IconButton>
-            </Tooltip>
-          )}
+          <Tooltip title="关闭">
+            <IconButton
+              className="panel-close-button"
+              size="small"
+              onClick={handleClose}
+              aria-label="关闭属性面板"
+              sx={headerActionSx}
+            >
+              <Close fontSize="small" />
+            </IconButton>
+          </Tooltip>
         </div>
 
         {/* 内容区域 */}