diff --git a/install.sh b/install.sh
index 726fc04..0e23eb3 100755
--- a/install.sh
+++ b/install.sh
@@ -116,6 +116,20 @@ docker info >/dev/null 2>&1 || { systemctl start docker 2>/dev/null || sudo serv
 docker info >/dev/null 2>&1 || fail "Docker daemon 未运行，请执行: sudo service docker start 或 systemctl start docker"
 ok "Docker $(docker --version | grep -o '[0-9]*\.[0-9]*\.[0-9]*' | head -1)"
 
+# 修复 WSL2 Docker 凭据存储（移除 .exe 帮助程序，避免 docker login 报错）
+_DOCKER_CFG="$HOME/.docker/config.json"
+if [ -f "$_DOCKER_CFG" ] && grep -q '"credsStore".*\.exe' "$_DOCKER_CFG" 2>/dev/null; then
+  python3 - "$_DOCKER_CFG" <<'PYEOF'
+import json, sys
+path = sys.argv[1]
+with open(path) as f: c = json.load(f)
+if c.get('credsStore', '').endswith('.exe'):
+    del c['credsStore']
+    with open(path, 'w') as f: json.dump(c, f, indent=2)
+    print("  → 已移除 Windows 凭据存储配置 (docker-credential-desktop.exe)")
+PYEOF
+fi
+
 # ---------------------------------------------------------------------------
 # Step 3 — 确认 Docker Compose v2
 # ---------------------------------------------------------------------------