diff --git a/xCAT-server/lib/xcat/plugins/imgport.pm b/xCAT-server/lib/xcat/plugins/imgport.pm
index 9e3e2af9a..02aa08acf 100644
--- a/xCAT-server/lib/xcat/plugins/imgport.pm
+++ b/xCAT-server/lib/xcat/plugins/imgport.pm
@@ -990,7 +990,10 @@ sub extract_bundle {
     }
     #print Dumper($data);
     #push @{$datas}, $data;
-    
+  
+    #support imgimport osimage exported by xCAT 2.7 
+    manifest_adapter($data);
+ 
     # now we need to import the files...
     unless(verify_manifest($data, $callback)){
         $error++;
@@ -1286,6 +1289,35 @@ sub set_config {
     return 1;
 }
 
+#an adapter to convert the manifest structure from 2.7 to 2.8
+sub manifest_adapter {
+    my $data = shift;
+    
+    if(exists($data->{osimage}) or exists($data->{linuximage})){
+       return 0;
+    } 
+
+    my %colstodel;
+    foreach my $col (@{$xCAT::Schema::tabspec{osimage}->{cols}}){
+       if(defined($data->{$col})){
+          $colstodel{$col}=1;
+          $data->{osimage}->{$col}=$data->{$col};
+       }
+    }
+     
+    foreach my $col (@{$xCAT::Schema::tabspec{linuximage}->{cols}}){
+       if(defined($data->{$col})){
+          $colstodel{$col}=1;
+          $data->{linuximage}->{$col}=$data->{$col};
+       }
+    }
+
+    foreach my $col(keys %colstodel){
+       delete($data->{$col});
+    }
+
+    return 1;
+}
 
 sub verify_manifest {
     my $data = shift;