1. Open Charles "tools" rewrite FIG:
2, after clicking rewrite the following pop-up box will pop up, check enable rewrite
3. Click add, then appears on the right
3, according to the following FIG click add, playing box appears, the host and path may be provided, if the set value corresponding to only change the path inside, if not all of the default
4, below the picture is set to change the type of change request or response, change is the body or the path, I choose here body
5, the FIG mean, body returned value change 455 becomes 999
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