Update app.py

app.py

@@ -40,13 +40,14 @@ async def create_upload_file(
     ocr = get_ocr(lang=lang, use_gpu=use_gpu)
     img2np = np.array(image)
     result = ocr.ocr(img2np, cls=True)[0]
-
-    boxes = [line[0] for line in result]
-    txts = [line[1][0] for line in result]
-    scores = [line[1][1] for line in result]
-
-    # 识别结果
-    final_result = [dict(boxes=box, txt=txt, score=score) for box, txt, score in zip(boxes, txts, scores)]
+    final_result = []
+    if result:
+        boxes = [line[0] for line in result]
+        txts = [line[1][0] for line in result]
+        scores = [line[1][1] for line in result]
+    
+        # 识别结果
+        final_result = [dict(boxes=box, txt=txt, score=score) for box, txt, score in zip(boxes, txts, scores)]
     return final_result