Update app.py

app.py

@@ -191,6 +191,8 @@ def submit_order2(
             prefix = 'SHEN00000'
         elif session_state['username'] == 'cevcaigou888':
             prefix = 'NIU00000'
+        elif session_state['username'] == 'cevcaigou005':
+            prefix = 'HAN00000'
 
         all_records = orders.get_all_records()
         existing_records = [record for record in all_records if record['采购编号'].startswith(prefix)]