When the ssl_mutual_auth routine is frequently connected: Dynamic Impl: alloc(5347 bytes) failed

[SeanYang-7]

[SeanYang-7]

E (20302) Dynamic Impl: alloc(5347 bytes) failed
E (20303) esp-tls-mbedtls: mbedtls_ssl_handshake returned -0x7F00
I (20304) esp-tls-mbedtls: Certificate verified.
E (20309) esp-tls: Failed to open new connection
E (20333) transport_base: Failed to open a new connection
E (20335) mqtt_client: Error transport connect
I (20335) aliyunMqtt: MQTT_EVENT_ERROR
E (20339) aliyunMqtt: Last error reported from esp-tls: 0x801a
E (20346) aliyunMqtt: Last error reported from tls stack: 0x7f00
I (20371) aliyunMqtt: Last errno string (Success)