diff --git a/components/_util/responsiveObserver.ts b/components/_util/responsiveObserver.ts
index be7dea6f41..998fc777eb 100644
--- a/components/_util/responsiveObserver.ts
+++ b/components/_util/responsiveObserver.ts
@@ -69,13 +69,13 @@ export default function useResponsiveObserver() {
   return React.useMemo(() => {
     const subscribers = new Map<number, SubscribeFunc>();
     let subUid = -1;
-    let screens = {};
+    let screens: Partial<Record<Breakpoint, boolean>> = {};
 
     return {
       matchHandlers: {} as {
         [prop: string]: {
           mql: MediaQueryList;
-          listener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null;
+          listener: (this: MediaQueryList, ev: MediaQueryListEvent) => void;
         };
       },
       dispatch(pointMap: ScreenMap) {
@@ -84,7 +84,9 @@ export default function useResponsiveObserver() {
         return subscribers.size >= 1;
       },
       subscribe(func: SubscribeFunc): number {
-        if (!subscribers.size) this.register();
+        if (!subscribers.size) {
+          this.register();
+        }
         subUid += 1;
         subscribers.set(subUid, func);
         func(screens);
@@ -92,7 +94,9 @@ export default function useResponsiveObserver() {
       },
       unsubscribe(paramToken: number) {
         subscribers.delete(paramToken);
-        if (!subscribers.size) this.unregister();
+        if (!subscribers.size) {
+          this.unregister();
+        }
       },
       unregister() {
         Object.keys(responsiveMap).forEach((screen) => {
@@ -117,7 +121,6 @@ export default function useResponsiveObserver() {
             mql,
             listener,
           };
-
           listener(mql);
         });
       },
@@ -129,7 +132,7 @@ export default function useResponsiveObserver() {
 export const matchScreen = (screens: ScreenMap, screenSizes?: ScreenSizeMap) => {
   if (screenSizes && typeof screenSizes === 'object') {
     for (let i = 0; i < responsiveArray.length; i++) {
-      const breakpoint: Breakpoint = responsiveArray[i];
+      const breakpoint = responsiveArray[i];
       if (screens[breakpoint] && screenSizes[breakpoint] !== undefined) {
         return screenSizes[breakpoint];
       }
diff --git a/package.json b/package.json
index c60019fef6..6b1dff5561 100644
--- a/package.json
+++ b/package.json
@@ -144,7 +144,7 @@
     "rc-slider": "~11.1.7",
     "rc-steps": "~6.0.1",
     "rc-switch": "~4.1.0",
-    "rc-table": "~7.49.0",
+    "rc-table": "~7.50.1",
     "rc-tabs": "~15.5.0",
     "rc-textarea": "~1.8.2",
     "rc-tooltip": "~6.3.2",
@@ -351,4 +351,4 @@
   "resolutions": {
     "nwsapi": "2.2.13"
   }
-}
\ No newline at end of file
+}