Solutions for http protocol and packet capture tools

I am a newbie in the http protocol and packet capturing tool. I only used HTTPWATCH, but I found that AJAX data cannot be captured. Very depressing. Is there a more powerful monitoring tool recommendation? I 'd better pay it to me, or send my QQ mailbox 13676987. thank you, man. you can't do it with fidder ., What kind of AJAX package do you want to capture. If it is only a tool for capturing content http protocol and data packets
I'm a newbie and only used HTTPWATCH, but I found that this item cannot capture AJAX data. Very depressing. Is there a more powerful monitoring tool recommendation? It is best to pay me or send me a QQ mailbox of 13676987
Thank you!

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Fidder does not work.
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What kind of AJAX package do you want to capture. If it's just content, HTTPWATCH should be okay. Ff firebug is also acceptable.
If you want to capture a socket package. We recommend that you use a dedicated packet capture tool. Searching on the Internet can still be found
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Chrome debugging has been used to analyze http headers and form data conveniently.