diff --git a/_posts/2024-04~06/2024-04-27-ocr.md b/_posts/2024-04~06/2024-04-27-ocr.md
index d6480c2..f36cfa0 100644
--- a/_posts/2024-04~06/2024-04-27-ocr.md
+++ b/_posts/2024-04~06/2024-04-27-ocr.md
@@ -23,18 +23,26 @@ commentIssueId: 128
 from paddleocr import PaddleOCR, draw_ocr
 
 ocr = PaddleOCR(use_angle_cls=False, lang="ch", page_num=0)
-img_path = './202.pdf'
+img_path = './bijiao.pdf'
+
 
 result = ocr.ocr(img_path, cls=False)
 textResult = []
 for idx in range(len(result)):
     res = result[idx]
-    for line in res:
-        # print(line)
-        textResult.append(line[1][0])
 
-fo = open("202.txt", "w")
+    # 空判断
+    if res == None:
+        continue
+    else:
+        for line in res:
+            # print(line)
+            textResult.append(line[1][0])
+
+fo = open("bijiao.txt", "w")
 fo.write( '\n'.join(textResult))
+
+# 关闭打开的文件
 fo.close()
 ```