diff --git a/__pycache__/controller_db.cpython-38.pyc b/__pycache__/controller_db.cpython-38.pyc
index d282dbe..803f4c0 100644
Binary files a/__pycache__/controller_db.cpython-38.pyc and b/__pycache__/controller_db.cpython-38.pyc differ
diff --git a/__pycache__/firm.cpython-38.pyc b/__pycache__/firm.cpython-38.pyc
index 7e83b77..7880f57 100644
Binary files a/__pycache__/firm.cpython-38.pyc and b/__pycache__/firm.cpython-38.pyc differ
diff --git a/__pycache__/model.cpython-38.pyc b/__pycache__/model.cpython-38.pyc
index 91c1e07..9165efb 100644
Binary files a/__pycache__/model.cpython-38.pyc and b/__pycache__/model.cpython-38.pyc differ
diff --git a/model.py b/model.py
index 132ca26..f7032c6 100644
--- a/model.py
+++ b/model.py
@@ -255,7 +255,8 @@ class Model(ap.Model):
                     [lst_affected[i] for i in
                      self.nprandom.choice(range(len(lst_affected)),
                                           round(len(lst_affected) *
-                                                self.proactive_ratio))]
+                                                self.proactive_ratio),
+                                          replace=False)]
 
                 for firm_code, prod_code in lst_firm_proactive:
                     pro_firm_prod_code = \
@@ -321,10 +322,10 @@ class Model(ap.Model):
                                     'Product': di_supp_prod.code
                                 })
                             ])
-                            # print(f"proactive add {select_cand.code} to "
-                            #       f"{pro_firm.code} "
-                            #       f"for {di_supp_node['Firm_Code']} "
-                            #       f"{di_supp_node['Product_Code']}")
+                            print(f"proactive add {select_cand.name} to "
+                                  f"{pro_firm.name} "
+                                  f"for {di_supp_node['Firm_Code']} "
+                                  f"{di_supp_node['Product_Code']}")
                             # change capacity
                             select_cand.dct_prod_capacity[di_supp_prod] -= 1
                             break
diff --git a/xv_without_exp.csv b/xv_without_exp.csv
index 22d96de..f73357a 100644
--- a/xv_without_exp.csv
+++ b/xv_without_exp.csv
@@ -1,2 +1,2 @@
 n_max_trial,prf_size,prf_conn,cap_limit_prob_type,cap_limit_level,diff_new_conn,crit_supplier,diff_disrupt,proactive_ratio,remove_t,netw_prf_n
-10,TRUE,TRUE,uniform,10,0.1,1,0.01,0,5,2
+10,TRUE,TRUE,uniform,10,0.1,1,0.01,1,5,2