diff --git a/config_examples/basic.json b/config_examples/basic.json
index fe143bae..d9b01d54 100644
--- a/config_examples/basic.json
+++ b/config_examples/basic.json
@@ -32,11 +32,11 @@
             "enableRateLimit": true,
             "rateLimit": 500,
             "timeout": 20000
-        }
+        },
+        "pair_whitelist": [
+            "BTC/USDT"
+        ]
     },
-    "pair_whitelist": [
-        "BTC/USDT"
-    ],
     "pairlists": [
         {
             "method": "StaticPairList"
diff --git a/dryrun.sh b/dryrun.sh
index ec82706b..ac40f18b 100644
--- a/dryrun.sh
+++ b/dryrun.sh
@@ -176,18 +176,12 @@ with open(config_path, 'r') as f:
 # 解析 --pairs 参数中的币对（以空格分隔）
 pairs = "$PAIRS_ARG".split()
 
-# 更新 pair_whitelist
-if 'pair_whitelist' in config:
-    config['pair_whitelist'] = pairs
-    print(f"Updated pair_whitelist to: {pairs}")
-else:
-    config['pair_whitelist'] = pairs
-    print(f"Added pair_whitelist: {pairs}")
+# 更新 exchange 字段中的 pair_whitelist
+if 'exchange' not in config:
+    config['exchange'] = {}
 
-# 重要: 只在临时配置中保留 pair_whitelist，不包含 pairlists
-# 这样可以避免 pairlists 被覆盖
-# 我们需要清除 config 中除了 pair_whitelist 之外的所有字段
-clean_config = {'pair_whitelist': config['pair_whitelist']}
+config['exchange']['pair_whitelist'] = pairs
+print(f"Updated exchange.pair_whitelist to: {pairs}")
 
 # 写入临时配置文件
 with open('$TEMP_CONFIG', 'w') as f: