web无法录制iframe里面的操作

Remove any following parts if does not have details about

**Describe the bug**
A clear and concise description of what the bug is.

**Screenshots**
A **screenshot** is strongly recommended. Please include both AirtestIDE window and the **black console window**.

**To Reproduce**
Steps to reproduce the behaviour:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behaviour**
A clear and concise description of what you expected to happen.

**AirtestIDE version:** `1.0.15`

**Platform:** `Windows7 64bit, etc.`

**Smartphone (please complete the following information):**
- Device: [e.g. google pixel 2]
- OS: [e.g. Android 8.1]
- more information if have

**Additional context**
Add any other context about the problem here.