diff --git a/db/mysql.py b/db/mysql.py
index 48761da..717d478 100644
--- a/db/mysql.py
+++ b/db/mysql.py
@@ -120,7 +120,7 @@ class ZxIeResult(Base):
     pk_ocr = Column(INTEGER(11), primary_key=True, comment='图片OCR识别主键')
     pk_phhd = Column(INTEGER(11), nullable=False, comment='报销单主键')
     pk_phrec = Column(INTEGER(11), nullable=False, comment='图片主键')
-    id = Column(INTEGER(11), nullable=False, comment='识别批次')
+    id = Column(CHAR(32), nullable=False, comment='识别批次')
     cfjaddress = Column(String(200), nullable=False, comment='云存储文件名')
     content = Column(String(5000), comment='OCR识别内容')
     rotation_angle = Column(INTEGER(11), comment='旋转角度')