diff --git a/frameworks/core/components_ng/pattern/data_panel/data_panel_modifier.cpp b/frameworks/core/components_ng/pattern/data_panel/data_panel_modifier.cpp
index b847fbcd4bb0d422da34effbec6445b3a82d3f2b..77f21b611573d0435e5eb27740e4f09bb50a256b 100755
--- a/frameworks/core/components_ng/pattern/data_panel/data_panel_modifier.cpp
+++ b/frameworks/core/components_ng/pattern/data_panel/data_panel_modifier.cpp
@@ -41,7 +41,7 @@ constexpr float PERCENT_HALF = 0.5f;
 constexpr float DIAMETER_TO_THICKNESS_RATIO = 0.12f;
 constexpr float FIXED_ANGLE = 2.0f;
 constexpr float FIXED_DRAW_ANGLE = 4.0f;
-constexpr uint32_t SHADOW_ALPHA = 0.6 * 255;
+constexpr uint32_t SHADOW_ALPHA = 0.4 * 255;
 } // namespace
 
 DataPanelModifier::DataPanelModifier()