diff --git a/runtime/main/extend/systemplugin/napi/ohos_inputmethod.js b/runtime/main/extend/systemplugin/napi/ohos_inputmethod.js
index 4596334c..3de5a2de 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_inputmethod.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_inputmethod.js
@@ -66,6 +66,30 @@ export function mockInputMethod() {
           resolve(paramMock.paramBooleanMock);
         })
       }
+    },
+    showSoftKeyboard: function (...args) {
+      console.warn("InputMethodController.showSoftKeyboard interface mocked in the Previewer. How this interface works on" +
+        " the Previewer may be different from that on a real device.")
+      const len = args.length
+      if (typeof args[len - 1] === 'function') {
+        args[len - 1].call(this, paramMock.businessErrorMock, paramMock.paramBooleanMock);
+      } else {
+        return new Promise((resolve, reject) => {
+          resolve(paramMock.paramBooleanMock);
+        })
+      }
+    },
+    hideSoftKeyboard: function (...args) {
+      console.warn("InputMethodController.hideSoftKeyboard interface mocked in the Previewer. How this interface works on" +
+        " the Previewer may be different from that on a real device.")
+      const len = args.length
+      if (typeof args[len - 1] === 'function') {
+        args[len - 1].call(this, paramMock.businessErrorMock, paramMock.paramBooleanMock);
+      } else {
+        return new Promise((resolve, reject) => {
+          resolve(paramMock.paramBooleanMock);
+        })
+      }
     }
   }
   const InputMethodSettingMock = {