diff --git a/backend/app/config/setting.py b/backend/app/config/setting.py
index 99373ba8a632a87bfa224d4bcea60d9e4d360f60..12c563e263ceeb1c4847fd27bb4fe8e9a82f6361 100755
--- a/backend/app/config/setting.py
+++ b/backend/app/config/setting.py
@@ -110,6 +110,13 @@ class Settings(BaseSettings):
     MYSQL_PORT: int
     MYSQL_DB_NAME: str
 
+    # POSTGRESQL数据库连接
+    POSTGRESQL_USER: str
+    POSTGRESQL_PASSWORD: str
+    POSTGRESQL_HOST: str
+    POSTGRESQL_PORT: int
+    POSTGRESQL_DB_NAME: str
+
     # ================================================= #
     # ******************** MongoDB配置 ******************* #
     # ================================================= #
@@ -243,12 +250,15 @@ class Settings(BaseSettings):
     @property
     def DB_URI(self) -> str:
         """获取数据库连接"""
-        supported_db_drivers = ("sqlite", "mysql")
+        supported_db_drivers = ("sqlite", "mysql", "postgresql")
         if settings.DB_DRIVER not in supported_db_drivers:
             raise ValueError(f"数据库驱动不支持: {settings.DB_DRIVER}, 请选择 {supported_db_drivers}")
         if settings.DB_DRIVER == "mysql":
             MYSQL_URI: MySQLDsn = f"mysql+asyncmy://{settings.MYSQL_USER}:{settings.MYSQL_PASSWORD}@{settings.MYSQL_HOST}:{settings.MYSQL_PORT}/{settings.MYSQL_DB_NAME}?charset=utf8mb4"
             return MYSQL_URI
+        if settings.DB_DRIVER == "postgresql":
+            POSTGRESQL_URI: str = f"postgresql+asyncpg://{settings.POSTGRESQL_USER}:{settings.POSTGRESQL_PASSWORD}@{settings.POSTGRESQL_HOST}:{settings.POSTGRESQL_PORT}/{settings.POSTGRESQL_DB_NAME}"
+            return POSTGRESQL_URI
         else:
             SQLITE_URI: str = f"sqlite+aiosqlite:///{settings.BASE_DIR.joinpath(settings.SQLITE_DB_NAME)}?characterEncoding=UTF-8"
             return SQLITE_URI
@@ -258,12 +268,15 @@ class Settings(BaseSettings):
     @property
     def DATABASES_URI(self) -> str:
         """获取数据库连接"""
-        supported_db_drivers = ("sqlite", "mysql")
+        supported_db_drivers = ("sqlite", "mysql", "postgresql")
         if settings.DB_DRIVER not in supported_db_drivers:
             raise ValueError(f"数据库驱动不支持: {settings.DB_DRIVER}, 请选择 {supported_db_drivers}")
         if settings.DB_DRIVER == "mysql":
             MYSQL_URI: MySQLDsn = f"mysql+pymysql://{settings.MYSQL_USER}:{settings.MYSQL_PASSWORD}@{settings.MYSQL_HOST}:{settings.MYSQL_PORT}/{settings.MYSQL_DB_NAME}?charset=utf8mb4"
             return MYSQL_URI
+        if settings.DB_DRIVER == "postgresql":
+            POSTGRESQL_URI: str = f"postgresql+asyncpg://{settings.POSTGRESQL_USER}:{settings.POSTGRESQL_PASSWORD}@{settings.POSTGRESQL_HOST}:{settings.POSTGRESQL_PORT}/{settings.POSTGRESQL_DB_NAME}"
+            return POSTGRESQL_URI
         else:
             SQLITE_URI: str = f"sqlite:///{settings.BASE_DIR.joinpath(settings.SQLITE_DB_NAME)}?characterEncoding=UTF-8"
             return SQLITE_URI
diff --git a/backend/env/.env.dev b/backend/env/.env.dev
index 7cfac2abcde52d1c37dc83cc02097228ebfe4698..ccdae7631b458037b0cd6dcf8c0ffe511e2dd855 100644
--- a/backend/env/.env.dev
+++ b/backend/env/.env.dev
@@ -29,7 +29,7 @@ ROOT_PATH = "/api/v1"   # API路由前缀
 DEMO_ENABLE = False  # 是否启用演示模式
 
 # 数据库配置
-DB_DRIVER = "mysql"     # sqlite、mysql
+DB_DRIVER = "postgresql"     # sqlite、mysql、postgresql
 
 # SQLite配置
 SQLITE_DB_NAME = "dev_sql.db"
@@ -39,7 +39,14 @@ MYSQL_HOST = "localhost"
 MYSQL_USER = "root"
 MYSQL_PASSWORD = "ServBay.dev"
 MYSQL_PORT = 3306
-MYSQL_DB_NAME = "fastapi_vue_admin"
+MYSQL_DB_NAME = "fastapi_vue3_admin"
+
+# POSTGRESQL配置
+POSTGRESQL_HOST = "localhost"
+POSTGRESQL_USER = "postgres"
+POSTGRESQL_PASSWORD = "ly202001"
+POSTGRESQL_PORT = 5432
+POSTGRESQL_DB_NAME = "fastapi-vue3-admin"
 
 # Redis配置
 REDIS_ENABLE = True 
diff --git a/backend/env/.env.prod b/backend/env/.env.prod
index 3fe2f1db23afcbd234c8f0411573d6fec2d75385..84694e92e4a4274f111fbbde56131ea6c87a4ef1 100644
--- a/backend/env/.env.prod
+++ b/backend/env/.env.prod
@@ -41,6 +41,13 @@ MYSQL_PASSWORD = "FastApi123abc"
 MYSQL_PORT = 3306
 MYSQL_DB_NAME = "fastapi_vue3_admin"
 
+# POSTGRESQL配置
+POSTGRESQL_HOST = "localhost"
+POSTGRESQL_USER = "postgres"
+POSTGRESQL_PASSWORD = "FastApi123abc"
+POSTGRESQL_PORT = 5432
+POSTGRESQL_DB_NAME = "fastapi_vue3_admin"
+
 # Redis配置
 REDIS_ENABLE = True 
 REDIS_HOST = "172.18.52.77"
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2b23c5c485fe40b6933b81eb5fa11dba862bac65..84e78c506b4a1b5b1841900782956ae519cceffd 100755
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -28,7 +28,7 @@ aioredis==2.0.1     # redis 异步操作数据库
 aiosqlite==0.17.0   # sqlite 异步操作数据库
 asyncmy==0.2.9      # mysql 异步操作数据库：基于 mysqlclient：asyncmy 是 mysqlclient 的异步版本，mysqlclient 是一个 C 语言编写的 MySQL 客户端，性能较高。性能：asyncmy 通常在性能上优于 aiomysql，特别是在高并发和大数据量的场景下。
 motor==3.6.0        # mongodb 驱动
-# asyncpg==0.30.0     # postgresql 异步操作数据库基于 psycopg2：asyncpg 是 psycopg2 的异步版本，psycopg2 是一个 pure-Python PostgreSQL 数据库适配器。性能：asyncpg 通常在性能上优于 psycopg2，特别是在高并发和大数据量的场景下。
+asyncpg==0.30.0     # postgresql 异步操作数据库基于 psycopg2：asyncpg 是 psycopg2 的异步版本，psycopg2 是一个 pure-Python PostgreSQL 数据库适配器。性能：asyncpg 通常在性能上优于 psycopg2，特别是在高并发和大数据量的场景下。
 # aiomysql==0.2.0 # mysql 异步操作数据库基于 pymysql：aiomysql 是 pymysql 的异步版本，pymysql 是一个纯 Python 实现的 MySQL 客户端。成熟度：aiomysql 相对较为成熟，社区支持较好，文档也比较完善。
 cryptography==45.0.2   # mysql8 密码加密
 mkdocs