diff --git a/en/application-dev/application-models/uiability-intra-device-interaction.md b/en/application-dev/application-models/uiability-intra-device-interaction.md
index ea6b8bbecfa4a9a4f5434fb0aa5aad6184f38c9f..4c7fd7b5b54d8be31f607594d59172883670a8b9 100644
--- a/en/application-dev/application-models/uiability-intra-device-interaction.md
+++ b/en/application-dev/application-models/uiability-intra-device-interaction.md
@@ -196,8 +196,8 @@ This section describes how to start the UIAbility of another application through
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The following figure shows the effect. When you click **Open PDF**, a dialog box is displayed for you to select.
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3. To stop the **UIAbility** instance after the document application is used, call **terminateSelf()**.
@@ -445,7 +445,7 @@ The following figure shows the ability call process.
**Figure 1** Ability call process
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- The caller ability uses **startAbilityByCall** to obtain a caller object and uses **call()** of the caller object to send data to the callee ability.