diff --git a/api/@internal/component/ets/canvas.d.ts b/api/@internal/component/ets/canvas.d.ts
index b6c2839360270b3319b5c194bbe60979467b9994..ba7240f0ce3082153ff93e6e3eb79c8b447422a2 100644
--- a/api/@internal/component/ets/canvas.d.ts
+++ b/api/@internal/component/ets/canvas.d.ts
@@ -348,6 +348,12 @@ declare interface TextMetrics {
    * @since 8
    */
   readonly width: number;
+
+  /**
+   * Indicates the height of a character string. The value is of the double type.
+   * @since 8
+   */
+  readonly height: number;
 }
 
 /**
diff --git a/api/phone/@internal/viewmodel.d.ts b/api/phone/@internal/viewmodel.d.ts
index 1a9a57fc5468280a1dd7e74fdecaf97c06bf1fdc..0381713e9bc15a2d4d63101ebc44163b6f8a1b36 100644
--- a/api/phone/@internal/viewmodel.d.ts
+++ b/api/phone/@internal/viewmodel.d.ts
@@ -798,6 +798,7 @@ export interface VideoElement extends Element {
 
 export interface TextMetrics {
   width: number;
+  height: number;
 }
 
 /**