diff --git a/Assets/Scripts/Extensions/TextMeshPro/Shaders/FairyGUI-TMP.shader b/Assets/Scripts/Extensions/TextMeshPro/Shaders/FairyGUI-TMP.shader
index 5a91338e..2ca3a1ae 100755
--- a/Assets/Scripts/Extensions/TextMeshPro/Shaders/FairyGUI-TMP.shader
+++ b/Assets/Scripts/Extensions/TextMeshPro/Shaders/FairyGUI-TMP.shader
@@ -463,7 +463,8 @@ SubShader {
 			float2 condition = step(input.mask.xy, 0);
 			float4 clip_softness = _ClipSoftness * float4(condition, 1 - condition);
 			factor.xy = (1.0 - abs(input.mask.xy)) * (clip_softness.xw + clip_softness.zy);
-			faceColor.a *= clamp(min(factor.x, factor.y), 0.0, 1.0);
+			// faceColor.rgba都需要乘alpha值
+			faceColor *= clamp(min(factor.x, factor.y), 0.0, 1.0);
 			clip(faceColor.a - 0.001);
 		#endif
 		return faceColor * input.color.a;