diff --git a/boards/default_src/micropython/generators/iot.js b/boards/default_src/micropython/generators/iot.js
index 0f0cd509..f26aba2a 100644
--- a/boards/default_src/micropython/generators/iot.js
+++ b/boards/default_src/micropython/generators/iot.js
@@ -167,12 +167,13 @@ export const IOT_EMQX_INIT_AND_CONNECT_BY_SHARE_CODE = function (_, generator) {
     // var mac_address = 'str(binascii.hexlify(wifi.radio.mac_address))[2:14]'
     // var socket_pool = 'socketpool.SocketPool(wifi.radio)'
     // var ssl_context = 'ssl.create_default_context()'
-    var code = 'sk = analyse_sharekey(\'http://' + server.substring(1, server.length - 1) + '/mixio-php/sharekey.php?sk=' + share_code + '\')\n' +
+    var code = 'sk = analyse_sharekey(\'https://' + server.substring(1, server.length - 1) + '/mixio-php/sharekey.php?sk=' + share_code + '\')\n' +
         'MQTT_USR_PRJ = sk[0]+\'/\'+sk[1]+\'/\'\n' +
-        'mqtt_client = mixiot.init_MQTT_client(' + server + ', sk[0], sk[2]' + ', MQTT_USR_PRJ)\n';
+        'mqtt_client = mixiot.init_MQTT_client(' + server.substring(0,server.indexOf(':')) + ', sk[0], sk[2]' + ', MQTT_USR_PRJ)\n';
     return code;
 }
 
+
 export const iot_mixly_key = function (_, generator) {
     var code = this.getFieldValue('VISITOR_ID');
     return [code, generator.ORDER_ATOMIC];