From a13aea3a30c7fd5f261ec6bc3e198432464ab816 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Sun, 28 Mar 2021 22:38:17 +0800
Subject: [PATCH] remove return

---
 bsp/stm32/stm32f072-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f091-st-nucleo/applications/main.c        | 1 -
 bsp/stm32/stm32f103-atk-nano/applications/main.c         | 2 --
 bsp/stm32/stm32f103-atk-warshipv3/applications/main.c    | 2 --
 bsp/stm32/stm32f103-blue-pill/applications/main.c        | 2 --
 bsp/stm32/stm32f103-dofly-M3S/applications/main.c        | 2 --
 bsp/stm32/stm32f103-dofly-lyc8/applications/main.c       | 2 --
 bsp/stm32/stm32f103-fire-arbitrary/applications/main.c   | 2 --
 bsp/stm32/stm32f103-gizwits-gokitv21/applications/main.c | 2 --
 bsp/stm32/stm32f103-hw100k-ibox/applications/main.c      | 2 --
 bsp/stm32/stm32f103-onenet-nbiot/applications/main.c     | 2 --
 bsp/stm32/stm32f103-yf-ufun/applications/main.c          | 2 --
 bsp/stm32/stm32f107-uc-eval/applications/main.c          | 2 --
 bsp/stm32/stm32f401-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f405-smdz-breadfruit/applications/main.c  | 2 --
 bsp/stm32/stm32f407-atk-explorer/applications/main.c     | 2 --
 bsp/stm32/stm32f410-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f411-atk-nano/applications/main.c         | 2 --
 bsp/stm32/stm32f411-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f411-weact-MiniF4/applications/main.c     | 2 --
 bsp/stm32/stm32f412-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f413-st-nucleo/applications/main.c        | 3 +--
 bsp/stm32/stm32f427-robomaster-a/applications/main.c     | 2 --
 bsp/stm32/stm32f429-armfly-v6/applications/main.c        | 2 --
 bsp/stm32/stm32f429-atk-apollo/applications/main.c       | 2 --
 bsp/stm32/stm32f429-fire-challenger/applications/main.c  | 2 --
 bsp/stm32/stm32f429-st-disco/applications/main.c         | 2 --
 bsp/stm32/stm32f446-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f469-st-disco/applications/main.c         | 2 --
 bsp/stm32/stm32f746-st-disco/applications/main.c         | 2 --
 bsp/stm32/stm32f767-atk-apollo/applications/main.c       | 2 --
 bsp/stm32/stm32f767-fire-challenger/applications/main.c  | 2 --
 bsp/stm32/stm32f767-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32f769-st-disco/applications/main.c         | 2 --
 bsp/stm32/stm32g070-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32g071-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32g431-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32h743-atk-apollo/applications/main.c       | 1 -
 bsp/stm32/stm32h743-st-nucleo/applications/main.c        | 1 -
 bsp/stm32/stm32h747-st-discovery/applications/main.c     | 1 -
 bsp/stm32/stm32h750-armfly-h7-tool/applications/main.c   | 1 -
 bsp/stm32/stm32h750-artpi-h750/applications/main.c       | 1 -
 bsp/stm32/stm32l010-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l053-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l412-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l431-BearPi/applications/main.c           | 2 --
 bsp/stm32/stm32l432-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l433-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l452-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l475-atk-pandora/applications/main.c      | 2 --
 bsp/stm32/stm32l475-st-discovery/applications/main.c     | 2 --
 bsp/stm32/stm32l476-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l496-ali-developer/applications/main.c    | 2 --
 bsp/stm32/stm32l496-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l4r5-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32l4r9-st-eval/applications/main.c          | 2 --
 bsp/stm32/stm32mp157a-st-discovery/applications/main.c   | 2 --
 bsp/stm32/stm32mp157a-st-ev1/applications/main.c         | 2 --
 bsp/stm32/stm32wb55-st-nucleo/applications/main.c        | 2 --
 bsp/stm32/stm32wl55-st-nucleo/applications/main.c        | 2 --
 60 files changed, 1 insertion(+), 114 deletions(-)

diff --git a/bsp/stm32/stm32f072-st-nucleo/applications/main.c b/bsp/stm32/stm32f072-st-nucleo/applications/main.c
index 88489a380..1d48ded64 100644
--- a/bsp/stm32/stm32f072-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f072-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f091-st-nucleo/applications/main.c b/bsp/stm32/stm32f091-st-nucleo/applications/main.c
index 6debd35f0..61981d49b 100644
--- a/bsp/stm32/stm32f091-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f091-st-nucleo/applications/main.c
@@ -27,7 +27,6 @@ int main(void)
         rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-    return RT_EOK;
 }
 
 
diff --git a/bsp/stm32/stm32f103-atk-nano/applications/main.c b/bsp/stm32/stm32f103-atk-nano/applications/main.c
index 8b86d19f4..8569ce27b 100644
--- a/bsp/stm32/stm32f103-atk-nano/applications/main.c
+++ b/bsp/stm32/stm32f103-atk-nano/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-atk-warshipv3/applications/main.c b/bsp/stm32/stm32f103-atk-warshipv3/applications/main.c
index 21591b27c..8de9bd81e 100644
--- a/bsp/stm32/stm32f103-atk-warshipv3/applications/main.c
+++ b/bsp/stm32/stm32f103-atk-warshipv3/applications/main.c
@@ -33,6 +33,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-blue-pill/applications/main.c b/bsp/stm32/stm32f103-blue-pill/applications/main.c
index 49c885745..1fcf936a4 100644
--- a/bsp/stm32/stm32f103-blue-pill/applications/main.c
+++ b/bsp/stm32/stm32f103-blue-pill/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-dofly-M3S/applications/main.c b/bsp/stm32/stm32f103-dofly-M3S/applications/main.c
index bec9c16a1..310137406 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/applications/main.c
+++ b/bsp/stm32/stm32f103-dofly-M3S/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-dofly-lyc8/applications/main.c b/bsp/stm32/stm32f103-dofly-lyc8/applications/main.c
index 7d6ee4fd8..ce702bb41 100644
--- a/bsp/stm32/stm32f103-dofly-lyc8/applications/main.c
+++ b/bsp/stm32/stm32f103-dofly-lyc8/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c b/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c
index 2f87d8ba9..e3078f4e8 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c
+++ b/bsp/stm32/stm32f103-fire-arbitrary/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-gizwits-gokitv21/applications/main.c b/bsp/stm32/stm32f103-gizwits-gokitv21/applications/main.c
index a14486afc..a2ffe21b4 100644
--- a/bsp/stm32/stm32f103-gizwits-gokitv21/applications/main.c
+++ b/bsp/stm32/stm32f103-gizwits-gokitv21/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED4_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-hw100k-ibox/applications/main.c b/bsp/stm32/stm32f103-hw100k-ibox/applications/main.c
index 9b5ca4b3a..5ba5873b5 100644
--- a/bsp/stm32/stm32f103-hw100k-ibox/applications/main.c
+++ b/bsp/stm32/stm32f103-hw100k-ibox/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-onenet-nbiot/applications/main.c b/bsp/stm32/stm32f103-onenet-nbiot/applications/main.c
index 8b86d19f4..8569ce27b 100644
--- a/bsp/stm32/stm32f103-onenet-nbiot/applications/main.c
+++ b/bsp/stm32/stm32f103-onenet-nbiot/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f103-yf-ufun/applications/main.c b/bsp/stm32/stm32f103-yf-ufun/applications/main.c
index 451ca3609..8f9c5c7a0 100644
--- a/bsp/stm32/stm32f103-yf-ufun/applications/main.c
+++ b/bsp/stm32/stm32f103-yf-ufun/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED3_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f107-uc-eval/applications/main.c b/bsp/stm32/stm32f107-uc-eval/applications/main.c
index 5ff911895..9f1a27444 100644
--- a/bsp/stm32/stm32f107-uc-eval/applications/main.c
+++ b/bsp/stm32/stm32f107-uc-eval/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f401-st-nucleo/applications/main.c b/bsp/stm32/stm32f401-st-nucleo/applications/main.c
index c4fc23975..d4200202e 100644
--- a/bsp/stm32/stm32f401-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f401-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f405-smdz-breadfruit/applications/main.c b/bsp/stm32/stm32f405-smdz-breadfruit/applications/main.c
index 5fdff391d..9f52445b1 100644
--- a/bsp/stm32/stm32f405-smdz-breadfruit/applications/main.c
+++ b/bsp/stm32/stm32f405-smdz-breadfruit/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f407-atk-explorer/applications/main.c b/bsp/stm32/stm32f407-atk-explorer/applications/main.c
index 897ea4e4c..9fb7ebf15 100644
--- a/bsp/stm32/stm32f407-atk-explorer/applications/main.c
+++ b/bsp/stm32/stm32f407-atk-explorer/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f410-st-nucleo/applications/main.c b/bsp/stm32/stm32f410-st-nucleo/applications/main.c
index 796ed53fa..0de22d3ff 100644
--- a/bsp/stm32/stm32f410-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f410-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f411-atk-nano/applications/main.c b/bsp/stm32/stm32f411-atk-nano/applications/main.c
index c37fd1cde..351b59dc1 100644
--- a/bsp/stm32/stm32f411-atk-nano/applications/main.c
+++ b/bsp/stm32/stm32f411-atk-nano/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f411-st-nucleo/applications/main.c b/bsp/stm32/stm32f411-st-nucleo/applications/main.c
index 95b3c77b3..9f3661550 100644
--- a/bsp/stm32/stm32f411-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f411-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f411-weact-MiniF4/applications/main.c b/bsp/stm32/stm32f411-weact-MiniF4/applications/main.c
index 178bef6ba..f28cc62dd 100644
--- a/bsp/stm32/stm32f411-weact-MiniF4/applications/main.c
+++ b/bsp/stm32/stm32f411-weact-MiniF4/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f412-st-nucleo/applications/main.c b/bsp/stm32/stm32f412-st-nucleo/applications/main.c
index 77417937d..3bc5104ea 100644
--- a/bsp/stm32/stm32f412-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f412-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f413-st-nucleo/applications/main.c b/bsp/stm32/stm32f413-st-nucleo/applications/main.c
index 442502550..ddd672e73 100644
--- a/bsp/stm32/stm32f413-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f413-st-nucleo/applications/main.c
@@ -31,7 +31,6 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_HIGH);
         rt_thread_mdelay(500);
         rt_pin_write(LED1_PIN, PIN_LOW);
+        rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f427-robomaster-a/applications/main.c b/bsp/stm32/stm32f427-robomaster-a/applications/main.c
index 1e82d7634..f63f29396 100644
--- a/bsp/stm32/stm32f427-robomaster-a/applications/main.c
+++ b/bsp/stm32/stm32f427-robomaster-a/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f429-armfly-v6/applications/main.c b/bsp/stm32/stm32f429-armfly-v6/applications/main.c
index d964d9533..152a11bab 100644
--- a/bsp/stm32/stm32f429-armfly-v6/applications/main.c
+++ b/bsp/stm32/stm32f429-armfly-v6/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         HC574_SetPin(LED1,0);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f429-atk-apollo/applications/main.c b/bsp/stm32/stm32f429-atk-apollo/applications/main.c
index 3a41980f0..609b4e63b 100644
--- a/bsp/stm32/stm32f429-atk-apollo/applications/main.c
+++ b/bsp/stm32/stm32f429-atk-apollo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f429-fire-challenger/applications/main.c b/bsp/stm32/stm32f429-fire-challenger/applications/main.c
index 457ec11f2..27c28e0cb 100644
--- a/bsp/stm32/stm32f429-fire-challenger/applications/main.c
+++ b/bsp/stm32/stm32f429-fire-challenger/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f429-st-disco/applications/main.c b/bsp/stm32/stm32f429-st-disco/applications/main.c
index f28b0c70c..48f43fd6f 100644
--- a/bsp/stm32/stm32f429-st-disco/applications/main.c
+++ b/bsp/stm32/stm32f429-st-disco/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f446-st-nucleo/applications/main.c b/bsp/stm32/stm32f446-st-nucleo/applications/main.c
index cad622b15..b419a7944 100644
--- a/bsp/stm32/stm32f446-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f446-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f469-st-disco/applications/main.c b/bsp/stm32/stm32f469-st-disco/applications/main.c
index 03fc02fff..e5a331ad8 100644
--- a/bsp/stm32/stm32f469-st-disco/applications/main.c
+++ b/bsp/stm32/stm32f469-st-disco/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f746-st-disco/applications/main.c b/bsp/stm32/stm32f746-st-disco/applications/main.c
index 11497a85c..d98649e9c 100644
--- a/bsp/stm32/stm32f746-st-disco/applications/main.c
+++ b/bsp/stm32/stm32f746-st-disco/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f767-atk-apollo/applications/main.c b/bsp/stm32/stm32f767-atk-apollo/applications/main.c
index 7a7438d1b..bec589c40 100644
--- a/bsp/stm32/stm32f767-atk-apollo/applications/main.c
+++ b/bsp/stm32/stm32f767-atk-apollo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f767-fire-challenger/applications/main.c b/bsp/stm32/stm32f767-fire-challenger/applications/main.c
index 524c000ac..3570c667c 100644
--- a/bsp/stm32/stm32f767-fire-challenger/applications/main.c
+++ b/bsp/stm32/stm32f767-fire-challenger/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f767-st-nucleo/applications/main.c b/bsp/stm32/stm32f767-st-nucleo/applications/main.c
index e7ae8dd7e..e270c27a9 100644
--- a/bsp/stm32/stm32f767-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32f767-st-nucleo/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32f769-st-disco/applications/main.c b/bsp/stm32/stm32f769-st-disco/applications/main.c
index 17a86ceb1..396afa994 100644
--- a/bsp/stm32/stm32f769-st-disco/applications/main.c
+++ b/bsp/stm32/stm32f769-st-disco/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32g070-st-nucleo/applications/main.c b/bsp/stm32/stm32g070-st-nucleo/applications/main.c
index b205d8c18..a438b9e67 100644
--- a/bsp/stm32/stm32g070-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32g070-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32g071-st-nucleo/applications/main.c b/bsp/stm32/stm32g071-st-nucleo/applications/main.c
index b205d8c18..a438b9e67 100644
--- a/bsp/stm32/stm32g071-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32g071-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32g431-st-nucleo/applications/main.c b/bsp/stm32/stm32g431-st-nucleo/applications/main.c
index 6d2bf2da2..5524d2493 100644
--- a/bsp/stm32/stm32g431-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32g431-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32h743-atk-apollo/applications/main.c b/bsp/stm32/stm32h743-atk-apollo/applications/main.c
index ef4f783aa..c52580b1b 100644
--- a/bsp/stm32/stm32h743-atk-apollo/applications/main.c
+++ b/bsp/stm32/stm32h743-atk-apollo/applications/main.c
@@ -27,5 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32h743-st-nucleo/applications/main.c b/bsp/stm32/stm32h743-st-nucleo/applications/main.c
index 062f6d352..ef1884d3b 100644
--- a/bsp/stm32/stm32h743-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32h743-st-nucleo/applications/main.c
@@ -27,5 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32h747-st-discovery/applications/main.c b/bsp/stm32/stm32h747-st-discovery/applications/main.c
index e4bf0fdf5..2a91e9309 100644
--- a/bsp/stm32/stm32h747-st-discovery/applications/main.c
+++ b/bsp/stm32/stm32h747-st-discovery/applications/main.c
@@ -27,5 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32h750-armfly-h7-tool/applications/main.c b/bsp/stm32/stm32h750-armfly-h7-tool/applications/main.c
index b30b930b7..90a52049e 100644
--- a/bsp/stm32/stm32h750-armfly-h7-tool/applications/main.c
+++ b/bsp/stm32/stm32h750-armfly-h7-tool/applications/main.c
@@ -27,5 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32h750-artpi-h750/applications/main.c b/bsp/stm32/stm32h750-artpi-h750/applications/main.c
index 58a1949ab..d4b0bb98a 100644
--- a/bsp/stm32/stm32h750-artpi-h750/applications/main.c
+++ b/bsp/stm32/stm32h750-artpi-h750/applications/main.c
@@ -27,5 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l010-st-nucleo/applications/main.c b/bsp/stm32/stm32l010-st-nucleo/applications/main.c
index b205d8c18..a438b9e67 100644
--- a/bsp/stm32/stm32l010-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l010-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l053-st-nucleo/applications/main.c b/bsp/stm32/stm32l053-st-nucleo/applications/main.c
index b205d8c18..a438b9e67 100644
--- a/bsp/stm32/stm32l053-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l053-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l412-st-nucleo/applications/main.c b/bsp/stm32/stm32l412-st-nucleo/applications/main.c
index 1f4f98a18..296c33d35 100644
--- a/bsp/stm32/stm32l412-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l412-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LD4_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l431-BearPi/applications/main.c b/bsp/stm32/stm32l431-BearPi/applications/main.c
index 9da51ac6b..b5409814f 100644
--- a/bsp/stm32/stm32l431-BearPi/applications/main.c
+++ b/bsp/stm32/stm32l431-BearPi/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l432-st-nucleo/applications/main.c b/bsp/stm32/stm32l432-st-nucleo/applications/main.c
index a74219c21..d3654159d 100644
--- a/bsp/stm32/stm32l432-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l432-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l433-st-nucleo/applications/main.c b/bsp/stm32/stm32l433-st-nucleo/applications/main.c
index 20e26de5e..93992725f 100644
--- a/bsp/stm32/stm32l433-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l433-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l452-st-nucleo/applications/main.c b/bsp/stm32/stm32l452-st-nucleo/applications/main.c
index 6d2bf2da2..5524d2493 100644
--- a/bsp/stm32/stm32l452-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l452-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l475-atk-pandora/applications/main.c b/bsp/stm32/stm32l475-atk-pandora/applications/main.c
index a0db7f7a2..7410e0463 100644
--- a/bsp/stm32/stm32l475-atk-pandora/applications/main.c
+++ b/bsp/stm32/stm32l475-atk-pandora/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l475-st-discovery/applications/main.c b/bsp/stm32/stm32l475-st-discovery/applications/main.c
index 419748d99..c0c25b670 100644
--- a/bsp/stm32/stm32l475-st-discovery/applications/main.c
+++ b/bsp/stm32/stm32l475-st-discovery/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l476-st-nucleo/applications/main.c b/bsp/stm32/stm32l476-st-nucleo/applications/main.c
index db859c5b0..2c204ae91 100644
--- a/bsp/stm32/stm32l476-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l476-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l496-ali-developer/applications/main.c b/bsp/stm32/stm32l496-ali-developer/applications/main.c
index 7837b32e1..1d40627d3 100644
--- a/bsp/stm32/stm32l496-ali-developer/applications/main.c
+++ b/bsp/stm32/stm32l496-ali-developer/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l496-st-nucleo/applications/main.c b/bsp/stm32/stm32l496-st-nucleo/applications/main.c
index fc5173819..6c19612f9 100644
--- a/bsp/stm32/stm32l496-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l496-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED2_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l4r5-st-nucleo/applications/main.c b/bsp/stm32/stm32l4r5-st-nucleo/applications/main.c
index c916e2e68..845e68f25 100644
--- a/bsp/stm32/stm32l4r5-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32l4r5-st-nucleo/applications/main.c
@@ -32,6 +32,4 @@ int main(void)
         rt_pin_write(LED_RUN_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32l4r9-st-eval/applications/main.c b/bsp/stm32/stm32l4r9-st-eval/applications/main.c
index 431af5fcd..ea49f25f8 100644
--- a/bsp/stm32/stm32l4r9-st-eval/applications/main.c
+++ b/bsp/stm32/stm32l4r9-st-eval/applications/main.c
@@ -28,6 +28,4 @@ int main(void)
         rt_pin_write(LED0_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32mp157a-st-discovery/applications/main.c b/bsp/stm32/stm32mp157a-st-discovery/applications/main.c
index 39d87173f..b5425e474 100644
--- a/bsp/stm32/stm32mp157a-st-discovery/applications/main.c
+++ b/bsp/stm32/stm32mp157a-st-discovery/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED7_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32mp157a-st-ev1/applications/main.c b/bsp/stm32/stm32mp157a-st-ev1/applications/main.c
index 5c14a7f8a..71f2ba733 100644
--- a/bsp/stm32/stm32mp157a-st-ev1/applications/main.c
+++ b/bsp/stm32/stm32mp157a-st-ev1/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED4_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32wb55-st-nucleo/applications/main.c b/bsp/stm32/stm32wb55-st-nucleo/applications/main.c
index cdc8b312f..b4a71ebc0 100644
--- a/bsp/stm32/stm32wb55-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32wb55-st-nucleo/applications/main.c
@@ -27,6 +27,4 @@ int main(void)
         rt_pin_write(LED1_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
diff --git a/bsp/stm32/stm32wl55-st-nucleo/applications/main.c b/bsp/stm32/stm32wl55-st-nucleo/applications/main.c
index 9b54d7b2e..9d3802084 100644
--- a/bsp/stm32/stm32wl55-st-nucleo/applications/main.c
+++ b/bsp/stm32/stm32wl55-st-nucleo/applications/main.c
@@ -29,6 +29,4 @@ int main(void)
         rt_pin_write(LED_BLUE_PIN, PIN_LOW);
         rt_thread_mdelay(500);
     }
-
-    return RT_EOK;
 }
-- 
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