该为别名不为null的时候，才检查别名是否相等。如果不使用别名，则不进行别名检查。#5224
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jjkk123456 wants to merge 1 commit intoalibaba:masterfrom
Open
该为别名不为null的时候，才检查别名是否相等。如果不使用别名，则不进行别名检查。#5224jjkk123456 wants to merge 1 commit intoalibaba:masterfrom
jjkk123456 wants to merge 1 commit intoalibaba:masterfrom
