How to completely delete the WeChat record of Apple's mobile phone?

Apple's mobile phone completely empties the WeChat chat record as follows:

1, open WeChat, click me, and then click Settings;

2. Click General under Settings;

3. Click Clean WeChat storage space under normal conditions;

4. Select the target file, and then click Delete;

5. Finally, click Delete in the pop-up prompt.

reference data

Zhongguancun online. Zhongguancun Online [reference time 2018-1-12]