diff --git a/core/fxcrt/css/cfx_csscomputedstyle.cpp b/core/fxcrt/css/cfx_csscomputedstyle.cpp
index 98ad15c..f369b68 100644
--- a/core/fxcrt/css/cfx_csscomputedstyle.cpp
+++ b/core/fxcrt/css/cfx_csscomputedstyle.cpp
@@ -166,29 +166,8 @@
   m_CustomProperties.push_back(prop);
 }
 
-CFX_CSSComputedStyle::InheritedData::InheritedData()
-    : m_LetterSpacing(CFX_CSSLengthUnit::Normal, 0),
-      m_WordSpacing(CFX_CSSLengthUnit::Normal, 0),
-      m_TextIndent(CFX_CSSLengthUnit::Point, 0),
-      m_pFontFamily(nullptr),
-      m_fFontSize(12.0f),
-      m_fLineHeight(14.0f),
-      m_dwFontColor(0xFF000000),
-      m_wFontWeight(400),
-      m_eFontVariant(CFX_CSSFontVariant::Normal),
-      m_eFontStyle(CFX_CSSFontStyle::Normal),
-      m_eTextAlign(CFX_CSSTextAlign::Left) {}
+CFX_CSSComputedStyle::InheritedData::InheritedData() = default;
 
 CFX_CSSComputedStyle::InheritedData::~InheritedData() = default;
 
-CFX_CSSComputedStyle::NonInheritedData::NonInheritedData()
-    : m_MarginWidth(CFX_CSSLengthUnit::Point, 0),
-      m_BorderWidth(CFX_CSSLengthUnit::Point, 0),
-      m_PaddingWidth(CFX_CSSLengthUnit::Point, 0),
-      m_fVerticalAlign(0.0f),
-      m_eDisplay(CFX_CSSDisplay::Inline),
-      m_eVerticalAlignType(CFX_CSSVerticalAlign::Baseline),
-      m_dwTextDecoration(0),
-      m_bHasMargin(false),
-      m_bHasBorder(false),
-      m_bHasPadding(false) {}
+CFX_CSSComputedStyle::NonInheritedData::NonInheritedData() = default;
diff --git a/core/fxcrt/css/cfx_csscomputedstyle.h b/core/fxcrt/css/cfx_csscomputedstyle.h
index b751c4e..70848f3 100644
--- a/core/fxcrt/css/cfx_csscomputedstyle.h
+++ b/core/fxcrt/css/cfx_csscomputedstyle.h
@@ -23,37 +23,37 @@
     InheritedData();
     ~InheritedData();
 
-    CFX_CSSLength m_LetterSpacing;
-    CFX_CSSLength m_WordSpacing;
-    CFX_CSSLength m_TextIndent;
+    CFX_CSSLength m_LetterSpacing{CFX_CSSLengthUnit::Normal, 0};
+    CFX_CSSLength m_WordSpacing{CFX_CSSLengthUnit::Normal, 0};
+    CFX_CSSLength m_TextIndent{CFX_CSSLengthUnit::Point, 0};
     RetainPtr<CFX_CSSValueList> m_pFontFamily;
-    float m_fFontSize;
-    float m_fLineHeight;
-    FX_ARGB m_dwFontColor;
-    uint16_t m_wFontWeight;
-    CFX_CSSFontVariant m_eFontVariant;
-    CFX_CSSFontStyle m_eFontStyle;
-    CFX_CSSTextAlign m_eTextAlign;
+    float m_fFontSize = 12.0f;
+    float m_fLineHeight = 14.0f;
+    FX_ARGB m_dwFontColor = 0xFF000000;
+    uint16_t m_wFontWeight = 400;
+    CFX_CSSFontVariant m_eFontVariant = CFX_CSSFontVariant::Normal;
+    CFX_CSSFontStyle m_eFontStyle = CFX_CSSFontStyle::Normal;
+    CFX_CSSTextAlign m_eTextAlign = CFX_CSSTextAlign::Left;
   };
 
   class NonInheritedData {
    public:
     NonInheritedData();
 
-    CFX_CSSRect m_MarginWidth;
-    CFX_CSSRect m_BorderWidth;
-    CFX_CSSRect m_PaddingWidth;
+    CFX_CSSRect m_MarginWidth{CFX_CSSLengthUnit::Point, 0};
+    CFX_CSSRect m_BorderWidth{CFX_CSSLengthUnit::Point, 0};
+    CFX_CSSRect m_PaddingWidth{CFX_CSSLengthUnit::Point, 0};
     CFX_CSSLength m_Top;
     CFX_CSSLength m_Bottom;
     CFX_CSSLength m_Left;
     CFX_CSSLength m_Right;
-    float m_fVerticalAlign;
-    CFX_CSSDisplay m_eDisplay;
-    CFX_CSSVerticalAlign m_eVerticalAlignType;
-    uint8_t m_dwTextDecoration;
-    bool m_bHasMargin;
-    bool m_bHasBorder;
-    bool m_bHasPadding;
+    float m_fVerticalAlign = 0.0f;
+    CFX_CSSDisplay m_eDisplay = CFX_CSSDisplay::Inline;
+    CFX_CSSVerticalAlign m_eVerticalAlignType = CFX_CSSVerticalAlign::Baseline;
+    uint8_t m_dwTextDecoration = 0;
+    bool m_bHasMargin = false;
+    bool m_bHasBorder = false;
+    bool m_bHasPadding = false;
   };
 
   CONSTRUCT_VIA_MAKE_RETAIN;