You have JVM property https.proxyHost set to '...'.
This may lead to incorrect behaviour. Proxy should be set in Settings | Proxy
Mac环境下：
/usr/libexec/PlistBuddy -c "Add Java:Properties:http.proxyHost string ''" /Applications/PhpStorm.app/Contents/Info.plist
/usr/libexec/PlistBuddy -c "Add Java:Properties:https.proxyHost string ''" /Applications/PhpStorm.app/Contents/Info.plist