diff --git a/api/zi_a8000_idcard_reader.hpp b/api/zi_a8000_idcard_reader.hpp
index 90d34ee..0d8bce4 100644
--- a/api/zi_a8000_idcard_reader.hpp
+++ b/api/zi_a8000_idcard_reader.hpp
@@ -20,7 +20,6 @@ class ZIA8000IDCardReaderModule {
   virtual int32_t a8000_idcard_reader_read_raw(int32_t index, uint8_t* data, int32_t* len) = 0;
   virtual int32_t a8000_idcard_write_raw(int32_t add, uint8_t* data, int32_t len)          = 0;
   virtual int32_t a8000_idcard_erase()                                                     = 0;
-  virtual int32_t a8000_idcard_earse_unlock()                                                     = 0;
-  
+  virtual int32_t a8000_idcard_earse_unlock()                                              = 0;
 };
 }  // namespace iflytop