Flink SQL时间序列化问题

Flink-1.12.0 SQL定义timestamp（3）格式出现时间解析问题

CREATE TABLE
user_log1 (    
user_id string,  
 ts TIMESTAMP(3),  
  proc_time as PROCTIME()) WITH (


Caused by: java.io.IOException: Failed to deserialize JSON '{"user_id":"1188","ts":"2021-02-19T17:52:20.921Z"}'.
at org.apache.flink.formats.json.JsonRowDataDeserializationSchema


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