diff --git a/app/drivers/led_strip/led_strip.c b/app/drivers/led_strip/led_strip.c
index 403af47..0e63aa2 100644
--- a/app/drivers/led_strip/led_strip.c
+++ b/app/drivers/led_strip/led_strip.c
@@ -99,39 +99,44 @@ void rgb_update_cyle(uint8_t index, uint16_t cyle)
 }
 void rgb_color_change(uint8_t index, uint8_t color)
 {
-   switch(color)
-   {
-        case RGB_COLOR_RAD:
-            memcpy(&expression[index], &rgb_color_rad, sizeof(rgb_color_rad));
-            break;
-        case RGB_COLOR_ORANGE:
-            memcpy(&expression[index], &rgb_color_orange, sizeof(rgb_color_orange));
-            break;
-        case RGB_COLOR_GREEN:
-            memcpy(&expression[index], &rgb_color_green, sizeof(rgb_color_green));
-            break;
-        case RGB_COLOR_WHITE:
-            memcpy(&expression[index], &rgb_color_white, sizeof(rgb_color_white));
-            break;
-        case RGB_COLOR_PURPLE:
-            memcpy(&expression[index], &rgb_color_purple, sizeof(rgb_color_purple));
-            break;
-        case RGB_COLOR_CYAN:
-            memcpy(&expression[index], &rgb_color_cyan, sizeof(rgb_color_cyan));
-            break;
-        case RGB_COLOR_BLUE:
-            memcpy(&expression[index], &rgb_color_blue, sizeof(rgb_color_blue));
-            break;
-        case RGB_COLOR_GREEN_WHITE:
-            memcpy(&expression[index], &rgb_color_green_white, sizeof(rgb_color_green_white));
-            break;
-        case RGB_COLOR_GREEN_PURPLE:
-            memcpy(&expression[index], &rgb_color_green_purple, sizeof(rgb_color_green_purple));
-            break;
-        default:
-            break;
-   }
-   expression[index].index = index;
+    static uint8_t rgb_color_lat[EXAMPLE_LED_NUMBERS] = {0};
+    if(rgb_color_lat[index] != color)
+    {
+        switch(color)
+        {
+                case RGB_COLOR_RAD:
+                    memcpy(&expression[index], &rgb_color_rad, sizeof(rgb_color_rad));
+                    break;
+                case RGB_COLOR_ORANGE:
+                    memcpy(&expression[index], &rgb_color_orange, sizeof(rgb_color_orange));
+                    break;
+                case RGB_COLOR_GREEN:
+                    memcpy(&expression[index], &rgb_color_green, sizeof(rgb_color_green));
+                    break;
+                case RGB_COLOR_WHITE:
+                    memcpy(&expression[index], &rgb_color_white, sizeof(rgb_color_white));
+                    break;
+                case RGB_COLOR_PURPLE:
+                    memcpy(&expression[index], &rgb_color_purple, sizeof(rgb_color_purple));
+                    break;
+                case RGB_COLOR_CYAN:
+                    memcpy(&expression[index], &rgb_color_cyan, sizeof(rgb_color_cyan));
+                    break;
+                case RGB_COLOR_BLUE:
+                    memcpy(&expression[index], &rgb_color_blue, sizeof(rgb_color_blue));
+                    break;
+                case RGB_COLOR_GREEN_WHITE:
+                    memcpy(&expression[index], &rgb_color_green_white, sizeof(rgb_color_green_white));
+                    break;
+                case RGB_COLOR_GREEN_PURPLE:
+                    memcpy(&expression[index], &rgb_color_green_purple, sizeof(rgb_color_green_purple));
+                    break;
+                default:
+                    break;
+        }
+        expression[index].index = index;
+        rgb_color_lat[index] = color;
+    }
 }
 void rgb_toggle(uint8_t index, rgb_color_t* rgb_color)
 {