fix

app/controllers/pushs_controller.rb

@@ -31,7 +31,7 @@ class PushsController < ApplicationController
     Rails.logger.info "message ：#{params[:message]}  #{message.class}"
     Rails.logger.info "params-message ：#{params[:message]}  #{params[:message].class}"
     Rails.logger.info "content ：#{message[:transmission_content]}  #{message[:transmission_content].class}"
-    client_id = message.dig(:transmission_content, :extra, :extra, :client_id)
+    client_id = message.dig(:transmission_content, :extras, :extra, :client_id)
     user_devices = user_devices.where.not(client_id: client_id) if client_id
     user_device_exist = user_devices.exists?