1.1 Entering the Logistics Customer Service Department+ 1.2 Meet the professional requirements of logistics customer service personnel + 2.1 Properly grasping customer needs + 2.2 Effectively achieve customer development + 2.3 Successfully completed customer visit + 2.4 Successfully communicate with customers + 3.1 Ensure good customer reception + 3.2 Handling customer visits, calls, and letters + 4.1 Receive logistics customer complaints + 4.2 Handling customer complaints + 4.3 Service follow-up after complaint handling + 5.1 segment customer+ 5.2 Survey customer satisfaction + 5.3 Enhancing customer loyalty + 5.4 Reduce customer churn + 5.5 Customer credit assessment and risk prevention + 6.1 Objectively evaluate customer service performance +