diff --git a/crypto_monitor_binance/.env.example b/crypto_monitor_binance/.env.example
index 8ded315..46d99b9 100644
--- a/crypto_monitor_binance/.env.example
+++ b/crypto_monitor_binance/.env.example
@@ -87,7 +87,7 @@ BINANCE_POSITION_MODE=hedge
 # 条件单触发参考价:CONTRACT_PRICE=最新成交价 MARK_PRICE=标记价(更易触发时用标记价)
 BINANCE_TRIGGER_WORKING_TYPE=CONTRACT_PRICE
 # 页面与浏览器标签展示的交易所名称(多环境区分时可改成例如 Binance·测试网)
-# EXCHANGE_DISPLAY_NAME=Binance
+EXCHANGE_DISPLAY_NAME=Binance
 # 企业微信推送里展示的账户备注
 # BINANCE_ACCOUNT_LABEL=binance实盘账户
 # 平仓盈亏估算:false=按仓位历史口径(已实现盈亏+手续费,不含资金费);true=含资金费
diff --git a/crypto_monitor_gate/.env.example b/crypto_monitor_gate/.env.example
index 2d947d4..b6371fb 100644
--- a/crypto_monitor_gate/.env.example
+++ b/crypto_monitor_gate/.env.example
@@ -91,7 +91,7 @@ GATE_TPSL_PRICE_TYPE=0
 # 仓位类 TP/SL 相对现价的最小间距(%),避免 Gate 1026「触发价须高于/低于现价」
 GATE_TPSL_LAST_PRICE_GAP_PCT=0.05
 # 页面与浏览器标签展示的交易所名称(多环境区分时可改成例如 Gate·模拟)
-# EXCHANGE_DISPLAY_NAME=Gate.io
+EXCHANGE_DISPLAY_NAME=Gate.io
 
 # =============================================================================
 # 关键位程序自动下单(与 POSITION_SIZING_MODE 联动,修改后须重启 PM2)
diff --git a/crypto_monitor_okx/.env.example b/crypto_monitor_okx/.env.example
index ebef8c2..41b86d1 100644
--- a/crypto_monitor_okx/.env.example
+++ b/crypto_monitor_okx/.env.example
@@ -96,7 +96,7 @@ OKX_POSITION_INST_TYPE=SWAP
 # 单次拉取历史仓位条数上限(OKX 每页最多 100,程序会分页)
 # EXCHANGE_POSITION_HISTORY_LIMIT=200
 # 页面与浏览器标签展示的交易所名称(多环境区分时可改成例如 OKX·测试网)
-# EXCHANGE_DISPLAY_NAME=OKX
+EXCHANGE_DISPLAY_NAME=OKX
 # 企业微信推送里展示的账户备注
 # OKX_ACCOUNT_LABEL=
 
diff --git a/deploy/pull_and_restart.sh b/deploy/pull_and_restart.sh
index 257002f..f43c588 100644
--- a/deploy/pull_and_restart.sh
+++ b/deploy/pull_and_restart.sh
@@ -31,10 +31,11 @@ echo ">>> pm2 log policy (silence leftover + 3-day retain)"
 sed -i 's/\r$//' deploy/pm2_log_policy.sh 2>/dev/null || true
 bash deploy/pm2_log_policy.sh
 
-echo ">>> pm2 restart"
-pm2 restart crypto_gate crypto_binance crypto_okx manual-trading-hub manual-agent-gate 2>/dev/null \
-  || pm2 restart crypto-monitor-gate crypto-monitor-binance crypto-monitor-okx manual-trading-hub 2>/dev/null \
-  || pm2 restart all
+echo ">>> pm2 restart --update-env"
+# --update-env：避免 PM2 dump 里残留的跨实例环境变量（如 EXCHANGE_DISPLAY_NAME）继续污染
+pm2 restart crypto_gate crypto_binance crypto_okx manual-trading-hub manual-agent-gate --update-env 2>/dev/null \
+  || pm2 restart crypto-monitor-gate crypto-monitor-binance crypto-monitor-okx manual-trading-hub --update-env 2>/dev/null \
+  || pm2 restart all --update-env
 
 echo ">>> FORCE_CLOSE settings"
 grep -E '^FORCE_CLOSE_' crypto_monitor_gate/.env crypto_monitor_binance/.env crypto_monitor_okx/.env || true