diff --git a/kissat-inc/makefile b/kissat-inc/makefile
index 01f20c5..37626dd 100644
--- a/kissat-inc/makefile
+++ b/kissat-inc/makefile
@@ -1,17 +1,17 @@
 all:
-	$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build"
+	$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build"
 kissat:
-	$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build" kissat
+	$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build" kissat
 tissat:
-	$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build" tissat
+	$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build" tissat
 clean:
-	rm -f "/home/chenzh/solvers/cloud-sat/kissat-inc"/makefile
-	-$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build" clean
-	rm -rf "/home/chenzh/solvers/cloud-sat/kissat-inc/build"
+	rm -f "/pub/netdisk1/qianyh/Light/kissat-inc"/makefile
+	-$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build" clean
+	rm -rf "/pub/netdisk1/qianyh/Light/kissat-inc/build"
 coverage:
-	$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build" coverage
+	$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build" coverage
 indent:
-	$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build" indent
+	$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build" indent
 test:
-	$(MAKE) -C "/home/chenzh/solvers/cloud-sat/kissat-inc/build" test
+	$(MAKE) -C "/pub/netdisk1/qianyh/Light/kissat-inc/build" test
 .PHONY: all clean coverage indent kissat test tissat
diff --git a/kissat-inc/src/bump.c b/kissat-inc/src/bump.c
index fc2a0e3..00ed113 100644
--- a/kissat-inc/src/bump.c
+++ b/kissat-inc/src/bump.c
@@ -67,12 +67,15 @@ void kissat_init_shuffle(kissat * solver, int maxvar) {
     id = (int *)malloc(sizeof(int) * (maxvar + 1));
     for (int i = 1; i <= maxvar; i++)
       id[i] = i;
-    for (int i = 1; i <= maxvar; i++)
-    {
-      int j = (rand_r(&seed) % maxvar) + 1;
-      int x = id[i];
-      id[i] = id[j];
-      id[j] = x;
+    
+    if(seed != 0) {
+          for (int i = 1; i <= maxvar; i++)
+        {
+          int j = (rand_r(&seed) % maxvar) + 1;
+          int x = id[i];
+          id[i] = id[j];
+          id[j] = x;
+        }
     }
 
     int block_size = maxvar / number;
diff --git a/run.sh b/run.sh
index e402289..95c5a45 100755
--- a/run.sh
+++ b/run.sh
@@ -1,27 +1,23 @@
 #!/bin/bash
 
-# cd kissat-inc
-# make clean
-# ./configure
-# make -j 64
-# cd ..
-# make clean
-
-
+cd kissat-inc
+make clean
+./configure
+make -j 64
+cd ..
+make clean
 
 # buglist
 # - fe96b630b3e761821308b544368dd521-GP_100_950_34.cnf
 # - 0d4970edf84353e5a5798bca3f7f270e-SAT_H_instances_childsnack_p10.hddl_2.cnf
 
-
-
 # 这个存在问题
 DIR=/pub/data/chenzh/data/sat2022
-INSTANCE=0d4970edf84353e5a5798bca3f7f270e-SAT_H_instances_childsnack_p10.hddl_2.cnf
+INSTANCE=30ca21da9753263cc8cda020802b58ce-GP_500_200_20.cnf
 
 
 # make -j 16 && mpirun --bind-to none -np 9 --allow-run-as-root ./light -i $DIR/$INSTANCE --shuffle=1 --share=1 --threads=16 --times=3600 --share_method=1
 
-make -j 16 && mpirun --bind-to none -np 9 --allow-run-as-root ./light -i $DIR/$INSTANCE --share=1 --threads=16 --times=3600 --share_method=0
+make -j 16 && mpirun --bind-to none -np 9 --allow-run-as-root ./light -i data/class_1_easy_10_0.cnf --share=1 --threads=16 --times=3600 --share_method=0
 
 #./light -i $DIR/$INSTANCE --share=1 --threads=16 --times=3600
diff --git a/src/light.hpp b/src/light.hpp
index ac1c590..7ddcabd 100644
--- a/src/light.hpp
+++ b/src/light.hpp
@@ -47,6 +47,7 @@ public:
     sharer* s;
     std::vector<std::vector<int>> sharing_groups;
     enum { SAT, UNSAT, DEFAULT } worker_type;
+    int worker_rs;
 
     MPI_Request terminal_request;
 
diff --git a/src/solve.cpp b/src/solve.cpp
index 87bf28b..327410b 100644
--- a/src/solve.cpp
+++ b/src/solve.cpp
@@ -54,13 +54,19 @@ void light::init_workers() {
 }
 
 void light::diversity_workers() {
+
     for (int i = 0; i < OPT(threads); i++) {
         if(worker_type == SAT) {
 
             if (OPT(shuffle)) {
                 workers[i]->configure("worker_index", i);
                 workers[i]->configure("worker_number", OPT(threads));
-                workers[i]->configure("worker_seed", rank);
+
+                if(rank == 1 || rank == num_procs - 1) {
+                    workers[i]->configure("worker_seed", 0);
+                } else {
+                    workers[i]->configure("worker_seed", rank);
+                }
             // printf("r1: %d, r2: %d, r3: %d\n", r1, r2, r3);
             }