阿里云数据库备份增量备份异常

用的阿里云的数据库备份，全备没有问题，增备出现了错误，MySQL5.5，配置的log-bin=mysql-bin，出现异常，如图，请问如何解决。

提醒： startBinlogCrawler fail, dumpBinlog stopped, reason: @Binlog2File.cpp:2369.getFileRange() [read file :binlog/mysql-bin.000002 failed,errno:0] @Binlog2File.cpp:912.LoadFromExistDir() [read binlog file binlog/mysql-bin.000002 failed,errno:0] @Binlog2File.cpp:2558.serviceStart() [load binlog and binlog index from dataDir:binlog failed] @./dumpBinlog() [0x401475] @/lib64/libc.so.6(__libc_start_main+0xfd) [0x369121ed5d] @./dumpBinlog() [0x400d49]