diff --git a/components/amp_adapter/platform/aos/peripheral/aos_hal_can.c b/components/amp_adapter/platform/aos/peripheral/aos_hal_can.c
index 9e273ca74af68f7e68bd52458f0f73c57fe1b0b3..5dd0461550c6a7bd7d316dbe3ff7bcf8469fa6ef 100644
--- a/components/amp_adapter/platform/aos/peripheral/aos_hal_can.c
+++ b/components/amp_adapter/platform/aos/peripheral/aos_hal_can.c
@@ -49,7 +49,6 @@ void can1_receive_callback(void)
     }
 
     can_received = 1;
-
 }
 
 void can2_receive_callback(void)
@@ -63,7 +62,6 @@ void can2_receive_callback(void)
     }
 
     can_received = 1;
-
 }
 
 int32_t aos_hal_can_recv(can_dev_t *can, can_frameheader_t *rx_header, void *data, const uint32_t timeout)
@@ -87,6 +85,7 @@ int32_t aos_hal_can_recv(can_dev_t *can, can_frameheader_t *rx_header, void *dat
             return 0;
         }
     }
+    return 0;
 }
 
 int32_t aos_hal_can_finalize(can_dev_t *can)