diff --git a/app.py b/app.py
index bf02b26..537ed6f 100644
--- a/app.py
+++ b/app.py
@@ -190,7 +190,7 @@ def get_image_embedding(image_url: str, text: str = "这是什么病虫害？",
         try:
             resp = httpx.post(
                 IMAGE_EMBEDDING_API_URL,
-                headers={"Content-Type": "application/json"},
+                headers={"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"},
                 json=payload,
                 timeout=120,
             )