diff --git a/convlab/policy/ppo/sigir23/GenTUS-BertNLU-RuleDST-PPOPolicy.json b/convlab/policy/ppo/sigir23/GenTUS-BertNLU-RuleDST-PPOPolicy.json
index eda6d88003cef390692d25c73e5b4892522278e2..ed2a5cf5413b330e985051b806a74b319f1ebe04 100644
--- a/convlab/policy/ppo/sigir23/GenTUS-BertNLU-RuleDST-PPOPolicy.json
+++ b/convlab/policy/ppo/sigir23/GenTUS-BertNLU-RuleDST-PPOPolicy.json
@@ -8,7 +8,7 @@
         "epoch": 100,
         "eval_frequency": 5,
         "process_num": 1,
-        "num_eval_dialogues": 20,
+        "num_eval_dialogues": 200,
         "sys_semantic_to_usr": false
     },
     "vectorizer_sys": {
diff --git a/convlab/policy/ppo/sigir23/Sample-GenTUS-BertNLU-RuleDST-PPOPolicy.json b/convlab/policy/ppo/sigir23/Sample-GenTUS-BertNLU-RuleDST-PPOPolicy.json
index 31617efdb0251d4ded7a20544f296648305bd6e2..692dfc185616d659a61b1497f97422647d9f7d82 100644
--- a/convlab/policy/ppo/sigir23/Sample-GenTUS-BertNLU-RuleDST-PPOPolicy.json
+++ b/convlab/policy/ppo/sigir23/Sample-GenTUS-BertNLU-RuleDST-PPOPolicy.json
@@ -52,4 +52,4 @@
         }
     },
     "usr_nlg": {}
-}
\ No newline at end of file
+}
diff --git a/convlab/policy/ppo/sigir23/Sample-emoTUS-BertNLU-RuleDST-PPOPolicy.json b/convlab/policy/ppo/sigir23/Sample-emoTUS-BertNLU-RuleDST-PPOPolicy.json
index 52d6355d36e302360b39277331a69430c0a9a9a1..0c416815736a1cfd454aeb1e885d46be1ba2c9a7 100644
--- a/convlab/policy/ppo/sigir23/Sample-emoTUS-BertNLU-RuleDST-PPOPolicy.json
+++ b/convlab/policy/ppo/sigir23/Sample-emoTUS-BertNLU-RuleDST-PPOPolicy.json
@@ -54,4 +54,4 @@
         }
     },
     "usr_nlg": {}
-}
\ No newline at end of file
+}
diff --git a/convlab/policy/ppo/sigir23/emoTUS-BertNLU-RuleDST-PPOPolicy.json b/convlab/policy/ppo/sigir23/emoTUS-BertNLU-RuleDST-PPOPolicy.json
index b529a9c6265e25d3d6009180cd92aba8a6678d48..2b99f55dcf65f80335f0d0cb7e0192abbacf9f47 100644
--- a/convlab/policy/ppo/sigir23/emoTUS-BertNLU-RuleDST-PPOPolicy.json
+++ b/convlab/policy/ppo/sigir23/emoTUS-BertNLU-RuleDST-PPOPolicy.json
@@ -8,7 +8,7 @@
         "epoch": 100,
         "eval_frequency": 5,
         "process_num": 1,
-        "num_eval_dialogues": 20,
+        "num_eval_dialogues": 200,
         "sys_semantic_to_usr": false
     },
     "vectorizer_sys": {