diff --git a/gpt_gpt.py b/gpt_gpt.py
index 0d1743d..f806c37 100644
--- a/gpt_gpt.py
+++ b/gpt_gpt.py
@@ -116,7 +116,10 @@ def chatgpt(context):
         messages.append({"role": "user", "content": "Please provide me with Blender (3D software) python code satisfying the following task: " +
                         prompts[lan] + ". \n. Do not provide with anything that is not Python code. Do not provide explanations and comments."})
 
-    response = openai.ChatCompletion.create(
+    client = openai.OpenAI(
+        api_key = context.preferences.addons["blender-gpt"].preferences.openai_key,
+    )
+    response = client.chat.completions.create(
         model=models[lan],
         messages=messages,
         temperature=temperatures[lan],
diff --git a/gpt_opt.py b/gpt_opt.py
index b188288..d73d497 100644
--- a/gpt_opt.py
+++ b/gpt_opt.py
@@ -95,9 +95,9 @@ class BLENDERGPT_OT_SEND_MSG(Operator):
 
         # TODO: connect to GPT
         prf = context.preferences
-        openai.api_key = prf.addons["blender-gpt"].preferences.openai_key
+        openai_api_key = prf.addons["blender-gpt"].preferences.openai_key
 
-        if not openai.api_key:
+        if not openai_api_key:
             if int(context.scene.lan) == 0:
                 self.report(
                     {'ERROR'}, "錯誤: 沒有偵測到 OPENAI API Key，請在插件設定中設定 OPENAI API Key")