diff --git a/types/amap-js-api/amap-js-api-tests.ts b/types/amap-js-api/amap-js-api-tests.ts
index 0a2c1426b2..f1f699d32e 100644
--- a/types/amap-js-api/amap-js-api-tests.ts
+++ b/types/amap-js-api/amap-js-api-tests.ts
@@ -60,6 +60,16 @@ testArrayBounds.getCenter();
 
 // $ExpectType Bounds
 const testBounds = new AMap.Bounds(lnglat, lnglat);
+// $ExpectType Bounds
+new AMap.Bounds();
+// $ExpectError
+new AMap.Bounds([0, 0, 0]);
+// $ExpectType Bounds
+new AMap.Bounds([0, 0, 0, 0]);
+// $ExpectType Bounds
+new AMap.Bounds(lnglatTuple, lnglatTuple);
+// $ExpectType Bounds
+new AMap.Bounds(0, 0, 0, 0);
 
 // $ExpectType boolean
 testBounds.contains(lnglat);
diff --git a/types/amap-js-api/bounds.d.ts b/types/amap-js-api/bounds.d.ts
index f594969292..caba988fb2 100644
--- a/types/amap-js-api/bounds.d.ts
+++ b/types/amap-js-api/bounds.d.ts
@@ -1,11 +1,24 @@
 declare namespace AMap {
     class Bounds {
+        /**
+         * 地物对象的经纬度矩形范围。
+         * @param coords 由西南角，东北角经纬度组成的数组，分别是[西南角经度， 西南角纬度，东北角经度，东北角纬度]
+         */
+        constructor(coords?: [number, number, number, number]);
         /**
          * 地物对象的经纬度矩形范围。
          * @param southWest 西南角经纬度
          * @param northEast 东北角经纬度
          */
-        constructor(southWest: LngLat, northEast: LngLat);
+        constructor(southWest: LocationValue, northEast: LocationValue);
+        /**
+         * 地物对象的经纬度矩形范围。
+         * @param southWestLng 西南角经度
+         * @param southWestLat 西南角纬度
+         * @param northEastLng 东北角经度
+         * @param northEastLat 东北角纬度
+         */
+        constructor(southWestLng: number, southWestLat: number, northEastLng: number, northEastLat: number);
         /**
          * 指定点坐标是否在矩形范围内
          * @param point 制定坐标
diff --git a/types/amap-js-api/event.d.ts b/types/amap-js-api/event.d.ts
index d90ee4c720..af908ed626 100644
--- a/types/amap-js-api/event.d.ts
+++ b/types/amap-js-api/event.d.ts
@@ -8,10 +8,9 @@ declare namespace AMap {
          * @param once 触发一次
          * @param unshift 更改事件顺序
          */
-        on<E extends Event, C = this>(
+        on<C = this>(
             eventName: string,
-            // tslint:disable-next-line:no-unnecessary-generics
-            handler: (this: C, event: E) => void,
+            handler: (this: C, event: any) => void,
             context?: C,
             once?: boolean,
             unshift?: boolean
@@ -22,10 +21,10 @@ declare namespace AMap {
          * @param handler 事件功能函数
          * @param context 事件上下文
          */
-        off<E extends Event, C = this>(
+        off<C = this>(
             eventName: string,
             // tslint:disable-next-line
-            handler: ((this: C, event: E) => void) | 'mv',
+            handler: ((this: C, event: any) => void) | 'mv',
             context?: C
         ): this;
         /**
@@ -61,12 +60,12 @@ declare namespace AMap {
          * @param handler 事件功能函数
          * @param context 事件上下文
          */
-        function addListener<I extends EventEmitter, E extends Event, C = I>(
+        function addListener<I extends EventEmitter, C = I>(
             // tslint:disable-next-line: no-unnecessary-generics
             instance: I,
             eventName: string,
             // tslint:disable-next-line: no-unnecessary-generics
-            handler: (this: C, event: E) => void,
+            handler: (this: C, event: any) => void,
             // tslint:disable-next-line: no-unnecessary-generics
             context?: C
         ): EventListener<1>;
@@ -77,12 +76,12 @@ declare namespace AMap {
          * @param handler 事件功能函数
          * @param context 事件上下文
          */
-        function addListenerOnce<I extends EventEmitter, E extends Event, C = I>(
+        function addListenerOnce<I extends EventEmitter, C = I>(
             // tslint:disable-next-line: no-unnecessary-generics
             instance: I,
             eventName: string,
             // tslint:disable-next-line: no-unnecessary-generics
-            handler: (this: C, event: E) => void,
+            handler: (this: C, event: any) => void,
             // tslint:disable-next-line: no-unnecessary-generics
             context?: C
         ): EventListener<1>;