调整draggable的区域，鼠标移动到draggable的区域时，指针调整为移动的icon

src/components/olmap/HealthRiskAnalysis/PredictDataPanel.tsx

@@ -160,7 +160,7 @@ const PredictDataPanel: React.FC<PredictDataPanelProps> = ({
   };
 
   return (
-    <Draggable nodeRef={draggableRef}>
+    <Draggable nodeRef={draggableRef} handle=".drag-handle">
       <Box
         ref={draggableRef}
         sx={{
@@ -195,12 +195,14 @@ const PredictDataPanel: React.FC<PredictDataPanelProps> = ({
         >
           {/* Header */}
           <Box
+            className="drag-handle"
             sx={{
               p: 2,
               borderBottom: 1,
               borderColor: "divider",
               backgroundColor: "primary.main",
               color: "primary.contrastText",
+              cursor: "move",
             }}
           >
             <Stack