[squid-users] SSL3_GET_SERVER_CERTIFICATE failed

[G~D~Lunatic]

my squid is a transparent proxy. 
when i use WeChat client upload file or picture, it failed.
the access.log shows that
1512953345.798     75 192.168.51.15 TAG_NONE/200 0 CONNECT 111.206.23.97:443 - ORIGINAL_DST/111.206.23.97 -
1512953345.805      0 192.168.51.15 TAG_NONE/503 4380 POST https://msg.71.am/v5/ypt/hcdn_multicurl - HIER_NONE/- text/html
1512953349.713     10 192.168.51.15 TAG_NONE/200 0 CONNECT 101.226.152.108:443 - HIER_NONE/- -
1512953350.931     10 192.168.51.15 TAG_NONE/200 0 CONNECT 123.151.76.49:443 - HIER_NONE/- -
1512953354.059     11 192.168.51.15 TAG_NONE/200 0 CONNECT 123.151.76.49:443 - HIER_NONE/- -

i used wireshark catch the package, Encrypted Alert was shown.
i want to know where the problem or how i can do.
Here is my configure

https_port 192.168.51.200:3129 intercept ssl-bump connection-auth=off generate-host-certificates=on dynamic_cert_mem_cache_size=4MB cert=/usr/local/squid/ssl_cert/myCA.pem key=/usr/local/squid/ssl_cert/myCA.pem options=NO_SSLv3,NO_SSLv2


acl broken_sites ssl::server_name matchweb.sports.qq.com
acl ssl_step1 at_step SslBump1
acl ssl_step2 at_step SslBump2
acl ssl_step3 at_step SslBump3
ssl_bump splice broken_sites
#ssl_bump splice all
ssl_bump stare ssl_step1
ssl_bump bump ssl_step2
ssl_bump terminate ssl_step3
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