diff --git a/.gitattributes b/.gitattributes
index 39a823d..14871aa 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,5 @@
 # Shell 脚本在仓库内统一 LF，避免 Linux 上 bash: pipefail: invalid option name（CRLF）
 *.sh text eol=lf
 deploy/** text eol=lf
+# .env 模板统一 LF，避免 Linux PM2 source 报 $'\r': command not found
+**/.env.example text eol=lf
diff --git a/deploy/setup_env.ps1 b/deploy/setup_env.ps1
index 6fd6c34..6f611cb 100644
--- a/deploy/setup_env.ps1
+++ b/deploy/setup_env.ps1
@@ -62,6 +62,14 @@ function Should-Include([string]$Key, [string[]]$Selected) {
     return $Selected -contains $Key
 }
 
+# 复制 .env 时统一为 LF，避免上传到 Linux 后 PM2 source 报 $'\r': command not found
+function Copy-EnvFileLf([string]$Src, [string]$Dst) {
+    $raw = [System.IO.File]::ReadAllText($Src)
+    $lf = ($raw -replace "`r`n", "`n") -replace "`r", "`n"
+    $utf8NoBom = New-Object System.Text.UTF8Encoding $false
+    [System.IO.File]::WriteAllText($Dst, $lf, $utf8NoBom)
+}
+
 function Setup-MonitorProject([hashtable]$Proj) {
     $projPath = Join-Path $RepoRoot $Proj.Dir
     if (-not (Test-Path $projPath)) {
@@ -94,8 +102,8 @@ function Setup-MonitorProject([hashtable]$Proj) {
             $envExample = Join-Path $projPath ".env.example"
             $envFile = Join-Path $projPath ".env"
             if ((Test-Path $envExample) -and -not (Test-Path $envFile)) {
-                Copy-Item $envExample $envFile
-                Write-Host "  已复制 .env.example -> .env" -ForegroundColor Green
+                Copy-EnvFileLf $envExample $envFile
+                Write-Host "  已复制 .env.example -> .env (LF)" -ForegroundColor Green
             } elseif (Test-Path $envFile) {
                 Write-Host "  保留已有 .env" -ForegroundColor DarkGray
             } else {
@@ -147,8 +155,8 @@ function Setup-HubProject() {
             $envExample = Join-Path $projPath ".env.example"
             $envFile = Join-Path $projPath ".env"
             if ((Test-Path $envExample) -and -not (Test-Path $envFile)) {
-                Copy-Item $envExample $envFile
-                Write-Host "  已复制 .env.example -> .env" -ForegroundColor Green
+                Copy-EnvFileLf $envExample $envFile
+                Write-Host "  已复制 .env.example -> .env (LF)" -ForegroundColor Green
             }
         }
         Write-Host "  完成: $venvPy" -ForegroundColor Green
diff --git a/manual_trading_hub/scripts/fix_env_crlf.sh b/manual_trading_hub/scripts/fix_env_crlf.sh
index b0d9e5c..91796f3 100644
--- a/manual_trading_hub/scripts/fix_env_crlf.sh
+++ b/manual_trading_hub/scripts/fix_env_crlf.sh
@@ -29,4 +29,6 @@ for d in "${dirs[@]}"; do
   fi
 done
 
-echo "完成，共修复 ${fixed} 个 .env。请执行: pm2 restart ecosystem.config.cjs"
+echo "完成，共修复 ${fixed} 个 .env。"
+echo "请重启子代理: cd ${REPO}/manual_trading_hub && pm2 restart manual-agent-gate manual-agent-gate-bot manual-agent-binance manual-agent-okx"
+echo "或: bash scripts/pm2_hub.sh restart"
diff --git a/manual_trading_hub/scripts/run_agent.sh b/manual_trading_hub/scripts/run_agent.sh
index 4a613d7..98c4995 100644
--- a/manual_trading_hub/scripts/run_agent.sh
+++ b/manual_trading_hub/scripts/run_agent.sh
@@ -20,6 +20,9 @@ if [[ ! -x "${VENV_PY}" ]]; then
 fi
 
 if [[ -f .env ]]; then
+  if grep -q $'\r' .env 2>/dev/null; then
+    echo "警告: $(pwd)/.env 含 Windows 换行(CRLF)，请在仓库根执行: bash manual_trading_hub/scripts/fix_env_crlf.sh" >&2
+  fi
   if ! load_dotenv_file ".env"; then
     echo "错误: $(pwd)/.env 加载失败" >&2
     exit 1
diff --git a/manual_trading_hub/scripts/start_agents_3screen.sh b/manual_trading_hub/scripts/start_agents_3screen.sh
index 2a45f93..dbdd5eb 100644
--- a/manual_trading_hub/scripts/start_agents_3screen.sh
+++ b/manual_trading_hub/scripts/start_agents_3screen.sh
@@ -53,11 +53,11 @@ start_one() {
   fi
   screen -dmS "${name}" bash -c "
 cd '${work}' || { echo 'cd failed' >>'${logf}'; exit 1; }
-set -a
+# shellcheck source=lib_load_dotenv.sh
+source '${HUB_DIR}/scripts/lib_load_dotenv.sh'
 if [[ -f .env ]]; then
-  . ./.env
+  load_dotenv_file .env >>'${logf}' 2>&1 || echo 'load .env failed' >>'${logf}'
 fi
-set +a
 export EXCHANGE='${exchange}' PORT='${port}' HOST=127.0.0.1
 exec '${VENV_PY}' '${AGENT_PY}' >>'${logf}' 2>&1
 "
diff --git a/manual_trading_hub/scripts/start_hub_screen.sh b/manual_trading_hub/scripts/start_hub_screen.sh
index d505d1f..010f8f2 100644
--- a/manual_trading_hub/scripts/start_hub_screen.sh
+++ b/manual_trading_hub/scripts/start_hub_screen.sh
@@ -49,11 +49,11 @@ fi
 screen -dmS mt-hub bash -c "
 set -e
 cd '${HUB_DIR}'
-set -a
+# shellcheck source=lib_load_dotenv.sh
+source '${HUB_DIR}/scripts/lib_load_dotenv.sh'
 if [[ -f .env ]]; then
-  . ./.env
+  load_dotenv_file .env
 fi
-set +a
 export HUB_AGENTS='${HUB_AGENTS}'
 ${EXTRA_NAMES}
 export HUB_HOST='${HUB_HOST}'