oracle export dmp file type as "crash dump file"

After oracle exports the dmp file, the dmp file type is "crash dump file"

Run code: EXPDP user1/123 DIRECTORY=DATA_DIR dumpfile=A.dmp PARALLEL=2 LOGFILE=A.log tables='A'

Run log:

Connect to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Start "user1".SYS_EXPORT_TABLE_01: user1/* DIRECTORY=DATA_DIR dumpfile=user1.dmp PARALLEL=2 LOGFILE=user1.log tables='A'
Estimates using BLOCKS method
Processing object types TABLE_EXPORT/TABLE/TABLE_DATA
Total estimates using BLOCKS method:136 MB
Processing Object Type TABLE_EXPORT/TABLE/TABLE
Processing Object Type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Exported "user1"."A" 109.4 MB 199625 lines
Loaded/unloaded successfullyMain table "USER1"."SYS_EXPORT_TABLE_01"

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The dump file set for

USER1.SYS_EXPORT_TABLE_01 is:
D:\A.DMP
"USER1".SYS_EXPORT_TABLE_01" completed successfully at 17:11:18

The type of the exported dmp file is a crash dump file, I don't know if this file can be used normally