diff --git a/.env b/.env
index 1943fa6..f9ee99c 100644
--- a/.env
+++ b/.env
@@ -1,10 +1,9 @@
-# MySQL数据库配置
-MYSQL_ROOT_PASSWORD=fad123
-MYSQL_DATABASE=fad_watch
-MYSQL_USER=fad
-MYSQL_PASSWORD=fad123
-MYSQL_HOST=rtsp-mysql
+# MySQL数据库配置（使用本地MySQL，不在Docker中部署）
+MYSQL_HOST=localhost
 MYSQL_PORT=3306
+MYSQL_DATABASE=fad_watch
+MYSQL_USER=root
+MYSQL_PASSWORD=root
 
 # Redis配置
 REDIS_HOST=rtsp-redis
@@ -31,3 +30,7 @@ MINIO_BUCKET=rtsp
 
 # 时区配置
 TZ=Asia/Shanghai
+
+# 备注：
+# - MySQL使用本地数据库，Docker容器通过host.docker.internal连接
+# - MinIO使用外部已部署的服务
diff --git a/docker-compose.yml b/docker-compose.yml
index 8a5cb11..f4af6d2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,28 +1,6 @@
 version: '3.8'
 
 services:
-  mysql:
-    image: mysql:8.0
-    container_name: ${MYSQL_HOST}
-    restart: always
-    environment:
-      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
-      MYSQL_DATABASE: ${MYSQL_DATABASE}
-      MYSQL_USER: ${MYSQL_USER}
-      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
-      TZ: ${TZ}
-    volumes:
-      - mysql-data:/var/lib/mysql
-      - ./sql:/docker-entrypoint-initdb.d
-    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci --default-authentication-plugin=mysql_native_password
-    networks:
-      - rtsp-network
-    healthcheck:
-      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-
   redis:
     image: redis:7-alpine
     container_name: ${REDIS_HOST}
@@ -63,16 +41,16 @@ services:
       dockerfile: ruoyi-admin/Dockerfile
     container_name: ${BACKEND_HOST}
     restart: always
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     depends_on:
-      mysql:
-        condition: service_healthy
       redis:
         condition: service_healthy
       python-service:
         condition: service_started
     environment:
       TZ: ${TZ}
-      SPRING_DATASOURCE_URL: jdbc:mysql://${MYSQL_HOST}:${MYSQL_PORT}/${MYSQL_DATABASE}?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
+      SPRING_DATASOURCE_URL: jdbc:mysql://host.docker.internal:${MYSQL_PORT}/${MYSQL_DATABASE}?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
       SPRING_DATASOURCE_USERNAME: ${MYSQL_USER}
       SPRING_DATASOURCE_PASSWORD: ${MYSQL_PASSWORD}
       SPRING_DATA_REDIS_HOST: ${REDIS_HOST}
@@ -119,7 +97,6 @@ networks:
     driver: bridge
 
 volumes:
-  mysql-data:
   redis-data:
   backend-logs:
   backend-upload:
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