diff --git a/src/form/Form.tsx b/src/form/Form.tsx
index bb018f7..3a92149 100755
--- a/src/form/Form.tsx
+++ b/src/form/Form.tsx
@@ -142,7 +142,7 @@ export interface ValidateFieldsOptions {
 // function create
 export interface WrappedFormUtils<V = any> {
   /** 获取一组输入控件的值，如不传入参数，则获取全部组件的值 */
-  getFieldsValue(fieldNames?: string[]): { [field: string]: any };
+  getFieldsValue(fieldNames?: string[]): Record<string, any>;
   /** 获取一个输入控件的值 */
   getFieldValue(fieldName: string): any;
   /** 设置一组输入控件的值 */
diff --git a/src/form/interface.ts b/src/form/interface.ts
index 9b67f7d..8f8e28b 100644
--- a/src/form/interface.ts
+++ b/src/form/interface.ts
@@ -50,9 +50,7 @@ interface FORWARD_REF_STATICS {
 
 type NonReactStatics<
   S extends React.ComponentType<any>,
-  C extends {
-    [key: string]: true;
-  } = {}
+  C extends Record<string, true> = {}
 > = {
   [key in Exclude<
     keyof S,
diff --git a/src/icon/index.tsx b/src/icon/index.tsx
index 873e2d5..f0b934c 100644
--- a/src/icon/index.tsx
+++ b/src/icon/index.tsx
@@ -62,9 +62,7 @@ export interface IconComponent<P> extends React.FC<P> {
   setTwoToneColor: typeof setTwoToneColor;
 }
 
-const iconsMap: {
-  [key: string]: any;
-} = allIcons;
+const iconsMap: Record<string, any> = allIcons;
 
 const LegacyTypeIcon: React.FC<LegacyTypeIconProps> = props => {
   const { type, theme } = props;
diff --git a/src/theme/dark.ts b/src/theme/dark.ts
index 063f029..cdcd9f4 100644
--- a/src/theme/dark.ts
+++ b/src/theme/dark.ts
@@ -62,6 +62,10 @@ const generateNeutralColorPalettes: GenerateNeutralColorMap = (
     colorBorder: getSolidColor(colorBgBase, 26),
     colorBorderSecondary: getSolidColor(colorBgBase, 19),
     colorSplit: getAlphaColor(colorTextBase, 0.12),
+
+    colorBgSolid: getAlphaColor(colorTextBase, 0.95),
+    colorBgSolidHover: getAlphaColor(colorTextBase, 1),
+    colorBgSolidActive: getAlphaColor(colorTextBase, 0.9),
   };
 };
 
diff --git a/src/theme/default.ts b/src/theme/default.ts
index c754390..0027d46 100644
--- a/src/theme/default.ts
+++ b/src/theme/default.ts
@@ -62,6 +62,10 @@ const generateNeutralColorPalettes: GenerateNeutralColorMap = (
     colorBorder: getSolidColor(colorBgBase, 15),
     colorBorderSecondary: getSolidColor(colorBgBase, 6),
     colorSplit: getAlphaColor(colorTextBase, 0.06),
+
+    colorBgSolid: getAlphaColor(colorTextBase, 1),
+    colorBgSolidHover: getAlphaColor(colorTextBase, 0.75),
+    colorBgSolidActive: getAlphaColor(colorTextBase, 0.95),
   };
 };