INVALID_SIGN: Alipay Sign Verify FAILED

回调报错

以下是日记
2019-04-11 15:39:40 > yansongda.pay.WARNING > Alipay Sign Verify FAILED {"charset":"utf-8","out_trade_no":"20190411153812713319","method":"alipay.trade.page.pay.return","total_amount":"2556.00","sign":"ha5ve7//ufwO7KruL9GA7UQ3sEYQgxAU60vEoQ3JvChbPgM++PYnlB4RavSFMo903CjgZM8vRukMz3qVaWu7YFQOZ120eL1lLAfyZISbBcGshg8jr/SJsvcH+jY5cEli+0I6CdXqsHoUCfaSpmPECeAJ52tkU6u+f4GO3W57Rp5rkvMB4eEjf4OpsUJsvVeeeJfG9Mn/WZNnWs4XRbKHlUGOZtCj3gq5BEP5fmkIJVngzlmx1qk9CpjwJQGPbXPc5G0Qn2a3RXYKJdGx8ymj1EuIAbBmRn8Nuuukdpku4MKTfwiLR78UXS9433glQAEi+UmvHIj7KaSxAwS4bF6OXg==","trade_no":"2019041122001400561000004214","auth_app_id":"2016092700607544","version":"1.0","app_id":"2016092700607544","sign_type":"RSA2","seller_id":"2088102177492609","timestamp":"2019-04-11 15:38:48"}