升级演示程序bug修改，增加失败重次逻辑

liurunyu

2024-11-22 b1c77065389922bbdefb9f9869779ef99b6d6791

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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar