diff --git a/codes/filter_snpindel.pl b/codes/filter_snpindel.pl
index 7850d22..3405527 100755
--- a/codes/filter_snpindel.pl
+++ b/codes/filter_snpindel.pl
@@ -59,7 +59,15 @@ while (<IN>) {
     my $gene = (split(";", $line[6]))[0];
 
     if ($pipeline eq 'germline') {
-        $freq = (split(";", $line[-1]))[6];
+        # GT:DP:VD:AD:AF:RD:ALD
+        # GT:DP:VD:ALD:RD:AD:AF:BIAS:PMEAN:PSTD:QUAL:QSTD:SBF:ODDRATIO:MQ:SN:HIAF:ADJAF:NM
+        # 信息提取
+        my @content_name = split(/:/, $line[103]);
+        my @content = split(/:/, $line[-1]);
+        # 将数据与表头对应
+        my %record_content;
+        @record_content{@content_name} = @content;
+        $freq = $record_content{'AF'};
     }
 
     my @reason;