diff --git a/A17-ThreeD_Compression_Ramp-16_SA_Struct/bin/partition.hypara b/A17-ThreeD_Compression_Ramp-16_SA_Struct/bin/partition.hypara
index 4e95633..4c96957 100644
--- a/A17-ThreeD_Compression_Ramp-16_SA_Struct/bin/partition.hypara
+++ b/A17-ThreeD_Compression_Ramp-16_SA_Struct/bin/partition.hypara
@@ -8,7 +8,7 @@
 // original_grid_file:  Original grid file that want to be divided(PHengLEI type, *.fts).
 // partition_grid_file: Target partition grid file(PHengLEI type, *.fts).
 
-int pgridtype = 0;
+int pgridtype = 1;
 int maxproc   = 1;
 
 string original_grid_file  = "./grid/3d_16ramp_str.fts";