diff --git a/Assets/Scripts/UI/UIInstruction.cs b/Assets/Scripts/UI/UIInstruction.cs
index 955a7bbe..c229346d 100644
--- a/Assets/Scripts/UI/UIInstruction.cs
+++ b/Assets/Scripts/UI/UIInstruction.cs
@@ -23,12 +23,12 @@ namespace QFramework.Example
             {
                 if (isOn)
                 {
-                    Training.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(1, 1, 1, 1f);
+                    Training.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(0, 0, 0, 1f);
                 }
                 else
                 {
 
-                    Training.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(1, 1, 1, 0.5f);
+                    Training.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(0, 0, 0, 0.5f);
                 }
                 TrainContent.gameObject.SetActive(isOn);
             });
@@ -36,12 +36,12 @@ namespace QFramework.Example
             {
                 if (isOn)
                 {
-                    Operation.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(1, 1, 1, 1f);
+                    Operation.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(0, 0, 0, 1f);
                 }
                 else
                 {
 
-                    Operation.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(1, 1, 1, 0.5f);
+                    Operation.transform.Find("Label").GetComponent<TextMeshProUGUI>().color = new Color(0, 0, 0, 0.5f);
                 }
                 OperationContent.gameObject.SetActive(isOn);
             });