diff --git a/app/config/__init__.py b/app/config/__init__.py
index 0c0b5ba..cfd082a 100644
--- a/app/config/__init__.py
+++ b/app/config/__init__.py
@@ -1,10 +1,13 @@
 import os
 
-from .settings import Settings
+from .settings import BASE_DIR, Settings
 
 _env = os.getenv("ENV", "dev")
 _env_files = {"dev": ".env", "test": ".env.test", "pro": ".env.prod"}
 
-settings = Settings(_env_file=_env_files.get(_env, ".env"))
+# 使用基于项目根目录的绝对路径，避免受 PyCharm/命令行工作目录（CWD）影响
+_env_file = BASE_DIR / _env_files.get(_env, ".env")
+
+settings = Settings(_env_file=_env_file)
 
 __all__ = ["settings"]
diff --git a/app/config/settings.py b/app/config/settings.py
index 38e02c4..a54b21a 100644
--- a/app/config/settings.py
+++ b/app/config/settings.py
@@ -1,5 +1,10 @@
+from pathlib import Path
+
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
+# 项目根目录：settings.py -> config -> app -> <project root>
+BASE_DIR = Path(__file__).resolve().parents[2]
+
 
 class Settings(BaseSettings):
     # 环境
@@ -71,7 +76,7 @@ class Settings(BaseSettings):
         return f"redis://{self.redis_host}:{self.redis_port}/{self.redis_db}"
 
     model_config = SettingsConfigDict(
-        env_file=".env",
+        env_file=BASE_DIR / ".env",
         env_file_encoding="utf-8",
         case_sensitive=False,
         extra="ignore",