diff --git a/api/@ohos.curves.d.ts b/api/@ohos.curves.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..1ffd9819ad5008827d0a5ed60c7d78f796165608
--- /dev/null
+++ b/api/@ohos.curves.d.ts
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 2021 Huawei Device Co., Ltd.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/**
+ * Contains interpolator functions such as initialization, third-order Bezier curves, and spring curves.
+ * @import import Curves from '@ohos.curves'
+ * @devices phone, tablet, tv, wearable
+ * @since 7
+ */
+declare namespace curves {
+  /**
+   * enum Curve.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  enum Curve {
+    Linear,
+    Ease,
+    EaseIn,
+    EaseOut,
+    EaseInOut,
+    FastOutSlowIn,
+    LinearOutSlowIn,
+    FastOutLinearIn,
+    ExtremeDeceleration,
+    Sharp,
+    Rhythm,
+    Smooth,
+    Friction,
+  }
+
+  /**
+   * Initializes the interpolator curve when called.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  function init(curve?: Curve): string;
+
+  /**
+   * Constructs a step curve when called.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  function steps(count: number, end: boolean): string;
+
+  /**
+   * Constructs a third-order Bezier curve when called.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  function cubicBezier(x1: number, y1: number, x2: number, y2: number): string;
+
+  /**
+   * Constructs a spring curve when called.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  function spring(velocity: number, mass: number, stiffness: number, damping: number): string;
+}
+
+export default curves;
diff --git a/api/@ohos.matrix4.d.ts b/api/@ohos.matrix4.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..635a260179ca9879324b6c25558f6dd2759501a0
--- /dev/null
+++ b/api/@ohos.matrix4.d.ts
@@ -0,0 +1,277 @@
+/*
+ * Copyright (c) 2020 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Used to do matrix operations
+ * @import import Matrix4 from '@ohos.matrix4'
+ * @devices phone, tablet, tv, wearable
+ * @since 7
+ */
+declare namespace matrix4 {
+  /**
+   * Set translation parameters
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  interface TranslateOption {
+    /**
+     * Indicates the translation distance of the x-axis, in px.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    x?: number;
+
+    /**
+     * Indicates the translation distance of the y-axis, in px.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    y?: number;
+
+    /**
+     * Indicates the translation distance of the z-axis, in px.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    z?: number;
+  }
+
+  /**
+   * Set scaling parameters
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  interface ScaleOption {
+    /**
+     * Zoom factor of the x-axis.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    x?: number;
+
+    /**
+     * Zoom factor of the y-axis.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    y?: number;
+
+    /**
+     * Zoom factor of the z-axis.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    z?: number;
+
+    /**
+     * Transform the x-axis coordinate of the center point.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    centerX?: number;
+
+    /**
+     * Transform the y-axis coordinate of the center point.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    centerY?: number;
+  }
+
+  /**
+   * Set Rotation Parameters.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  interface RotateOption {
+    /**
+     * Axis of rotation vector x coordinate.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    x?: number;
+
+    /**
+     * Axis of rotation vector y coordinate.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    y?: number;
+
+    /**
+     * Axis of rotation vector z coordinate.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    z?: number;
+
+    /**
+     * Transform the x-axis coordinate of the center point.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    centerX?: number;
+
+    /**
+     * Transform the y-axis coordinate of the center point.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    centerY?: number;
+
+    /**
+     * Rotation angle.
+     * @devices phone, tablet, tv, wearable
+     * @since 7
+     */
+    angle?: number;
+  }
+
+  /**
+   * Matrix4Transit.
+   * @devices phone, tablet, tv, wearable
+   * @since 7
+   */
+  interface Matrix4Transit {
+    /**
+     * Copy function of Matrix, which can copy a copy of the current matrix object.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    copy(): Matrix4Transit;
+
+    /**
+     * The inverse function of Matrix returns an inverse matrix of the current matrix object, that is, the effect is exactly the opposite.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    invert(): Matrix4Transit;
+
+    /**
+     * Matrix superposition function, which can superpose the effects of two matrices to generate a new matrix object.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    combine(options:Matrix4Transit): Matrix4Transit;
+
+    /**
+     * Matrix translation function, which can add the x-axis, Y-axis, or Z-axis translation effect to the current matrix.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    translate(options:TranslateOption): Matrix4Transit;
+
+    /**
+     * Scaling function of the Matrix, which can add the x-axis, Y-axis, or Z-axis scaling effect to the current matrix.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    scale(options:ScaleOption): Matrix4Transit;
+
+    /* Rotation function of the Matrix. You can add the x-axis, Y-axis, or Z-axis rotation effect to the current matrix.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    rotate(options:RotateOption): Matrix4Transit;
+
+    /**
+     * Matrix coordinate point conversion function, which can apply the current transformation effect to a coordinate point.
+     * @since 7
+     * @devices phone, tablet, tv, wearable
+     * @return Return to Matrix4Transit
+     */
+    transformPoint(options:[number,number]): [number,number];
+  }
+
+  /**
+   * Constructor of Matrix, which can create a fourth-order matrix based on the input parameters. The matrix is column-first.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function init(options: [number,number,number,number,number,number,number,number,number,number,number,number,number,number,number,number]): Matrix4Transit;
+
+  /**
+   * Matrix initialization function, which can return an identity matrix object.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function identity(): Matrix4Transit;
+
+  /**
+   * Copy function of Matrix, which can copy a copy of the current matrix object.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function copy(): Matrix4Transit;
+
+  /**
+   * The inverse function of Matrix returns an inverse matrix of the current matrix object, that is, the effect is exactly the opposite.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function invert(): Matrix4Transit;
+
+  /**
+   * Matrix superposition function, which can superpose the effects of two matrices to generate a new matrix object.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function combine(options:Matrix4Transit): Matrix4Transit;
+
+  /**
+   * Matrix translation function, which can add the x-axis, Y-axis, or Z-axis translation effect to the current matrix.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function translate(options:TranslateOption): Matrix4Transit;
+
+  /**
+   * Scaling function of the Matrix, which can add the x-axis, Y-axis, or Z-axis scaling effect to the current matrix.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function scale(options:ScaleOption): Matrix4Transit;
+
+  /**
+   * Rotation function of the Matrix. You can add the x-axis, Y-axis, or Z-axis rotation effect to the current matrix.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function rotate(options:RotateOption): Matrix4Transit;
+
+  /**
+   * Matrix coordinate point conversion function, which can apply the current transformation effect to a coordinate point.
+   * @since 7
+   * @devices phone, tablet, tv, wearable
+   * @return Return to Matrix4Transit
+   */
+  function transformPoint(options:[number,number]): [number,number];
+}
+
+export default matrix4;
\ No newline at end of file
diff --git a/api/@ohos.mediaquery.d.ts b/api/@ohos.mediaquery.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..fe889218bf4c2fbc32eb5beb197e38dc4c4db719
--- /dev/null
+++ b/api/@ohos.mediaquery.d.ts
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {Callback} from './basic';
+
+declare namespace mediaquery {
+
+  interface MediaQueryResult {
+
+    /**
+     * Whether the match condition is met.
+     * This parameter is read-only.
+     * @since 8
+     */
+    readonly matches: boolean;
+
+    /**
+     * Matching condition of a media event.
+     * This parameter is read-only.
+     * @since 8
+     */
+    readonly media: string;
+  }
+
+  interface MediaQueryListener extends MediaQueryResult {
+
+    /**
+     * Registers a callback with the corresponding query condition by using the handle.
+     * This callback is triggered when the media attributes change.
+     * @since 8
+     */
+    on(type: 'change', callback: Callback<MediaQueryResult>): void;
+
+    /**
+     * Deregisters a callback with the corresponding query condition by using the handle.
+     * This callback is not triggered when the media attributes chang.
+     * @since 8
+     */
+    off(type: 'change', callback?: Callback<MediaQueryResult>): void;
+  }
+
+  /**
+   * Sets the media query criteria and returns the corresponding listening handle
+   * @since 8
+   */
+  function matchMediaSync(condition: string): MediaQueryListener;
+}
+
+export default mediaquery;