diff --git a/app/gl_barrier.c b/app/gl_barrier.c
index 76f6616..a4b735b 100644
--- a/app/gl_barrier.c
+++ b/app/gl_barrier.c
@@ -3,7 +3,7 @@
 
 enum barrier_type_e barrier_type = BARRIER_NONE;
 enum s_type_e s_type             = S_NONE;
-enum shiled_type_e shiled_type = SHILED_NONE;
+enum shield_type_e shield_type = SHIELD_NONE;
 float (*mid_track_s)[2];
 int32_t mid_track_count_s;
 int temp_min_s;
@@ -150,17 +150,17 @@ void RunS()
 }
 
 
-void Check_shiled(){
+void Check_shield(){
     if (begin_flag == 1)
     {
-        shiled_type = SHILED_BEGIN;
+        shield_type = SHIELD_BEGIN;
         timer_clear(TIM_3);
         timer_start(TIM_3);
         begin_flag = 0;
     }
-    if (timer_get(TIM_3) > 1000 && shiled_type == SHILED_BEGIN)
+    if (timer_get(TIM_3) > 1000 && shield_type == SHIELD_BEGIN)
     {
-        shiled_type = SHILED_NONE;
+        shield_type = SHIELD_NONE;
         timer_stop(TIM_3);
         timer_clear(TIM_3);
     }
diff --git a/app/gl_barrier.h b/app/gl_barrier.h
index be96377..bb4b136 100644
--- a/app/gl_barrier.h
+++ b/app/gl_barrier.h
@@ -18,14 +18,14 @@ enum s_type_e {
   S_OUT,
 };
 
-enum shiled_type_e {
-  SHILED_NONE,
-  SHILED_BEGIN,
+enum shield_type_e {
+  SHIELD_NONE,
+  SHIELD_BEGIN,
 };
 
 extern enum barrier_type_e barrier_type;
 extern enum s_type_e s_type;
-extern enum shiled_type_e shiled_type;
+extern enum shield_type_e shield_type;
 extern float (*mid_track_s)[2];
 extern int32_t mid_track_count_s;
 extern int temp_min_s;
@@ -34,7 +34,7 @@ extern int temp_max_s;
 void CheckBarrier(void);
 void Check_s(void);
 void RunBarrier(void);
-void Check_shiled(void);
+void Check_shield(void);
 
 
 #endif /* COMMON_H_ */
\ No newline at end of file
diff --git a/app/gl_tracking.c b/app/gl_tracking.c
index 1093cc4..f478ac0 100644
--- a/app/gl_tracking.c
+++ b/app/gl_tracking.c
@@ -112,8 +112,8 @@ void aim_distance_select(void)
 
 void ElementJudge()
 {
-    Check_shiled();
-    if (shiled_type == SHILED_NONE) {
+    Check_shield();
+    if (shield_type == SHIELD_NONE) {
         CheckGarage();
         if (garage_type == GARAGE_NONE) {
             CheckCross();