fix(useCircle): 修复闭包造成的 circle 实例引用无效问题 (#316)

fix: #315

Author: i-tengfei

packages/circle/src/useCircle.tsx

@@ -15,10 +15,12 @@ export const useCircle = (props = {} as UseCircle) => {
       setCircle(instance);
     }
     return () => {
-      if (circle) {
-        map && map.remove(circle);
-        setCircle(undefined);
-      }
+      setCircle((circle) => {
+        if (circle) {
+          map && map.remove(circle)
+        }
+        return undefined
+      })
     };
   }, [map]);