diff --git a/ABACUS-DeePKS/water_single_lda2pbe_abacus/iter/machines_dpdispatcher.yaml b/ABACUS-DeePKS/water_single_lda2pbe_abacus/iter/machines_dpdispatcher.yaml
index 53c7cc1e3a4ae230a75fb8fb975af153ff7f79ef..269db7242ce9e1afa9065b8e0a6164fa8ba87843 100644
--- a/ABACUS-DeePKS/water_single_lda2pbe_abacus/iter/machines_dpdispatcher.yaml
+++ b/ABACUS-DeePKS/water_single_lda2pbe_abacus/iter/machines_dpdispatcher.yaml
@@ -7,7 +7,7 @@ scf_machine:
   dpdispatcher_resources:
     number_node: 1
     cpu_per_node: 8
-    group_size: 125
+    group_size: 100
     source_list: [/opt/intel/oneapi/setvars.sh]
   sub_size: 1 
   dpdispatcher_machine: