diff --git a/deepseek.py b/deepseek.py
index b440529..9c611bb 100644
--- a/deepseek.py
+++ b/deepseek.py
@@ -22,7 +22,7 @@ class DeepSeek:
 
     def __init__(self) -> None:
         self.key = os.environ.get("DEEPSEEK_API_KEY")
-        if self.key:
+        if not self.key:
             raise Exception("找不到 DEEPSEEK_API_KEY 请设置环境变量在运行代码")
         self.client = OpenAI(
             api_key=self.key,
diff --git a/doubao.py b/doubao.py
index 375393b..7ac3bce 100644
--- a/doubao.py
+++ b/doubao.py
@@ -22,7 +22,7 @@ class DOUBAO:
 
     def __init__(self) -> None:
         self.key = os.environ.get("DOUBAO_API_KEY")
-        if self.key:
+        if not self.key:
             raise Exception("找不到 DOUBAO_API_KEY 请设置环境变量在运行代码")
         self.client = OpenAI(
             api_key=self.key,