diff --git a/components/theme/__tests__/token.test.tsx b/components/theme/__tests__/token.test.tsx
index 7bf3fecb39..48cfcf6c8d 100644
--- a/components/theme/__tests__/token.test.tsx
+++ b/components/theme/__tests__/token.test.tsx
@@ -61,7 +61,7 @@ describe('Theme', () => {
       12: { radiusBase: 12, radiusLG: 14, radiusSM: 6, radiusXS: 2, radiusOuter: 6 },
       14: { radiusBase: 14, radiusLG: 16, radiusSM: 7, radiusXS: 2, radiusOuter: 6 },
       16: { radiusBase: 16, radiusLG: 16, radiusSM: 8, radiusXS: 2, radiusOuter: 6 },
-      20: { radiusBase: 20, radiusLG: 20, radiusSM: 10, radiusXS: 2, radiusOuter: 6 },
+      20: { radiusBase: 16, radiusLG: 16, radiusSM: 8, radiusXS: 2, radiusOuter: 6 },
     };
 
     Object.entries(radiusGroup).forEach(([base, result]) => {
diff --git a/components/theme/themes/shared/genRadius.ts b/components/theme/themes/shared/genRadius.ts
index e6dd4804e6..780ee3b68e 100644
--- a/components/theme/themes/shared/genRadius.ts
+++ b/components/theme/themes/shared/genRadius.ts
@@ -14,7 +14,7 @@ const genRadius = (
   } else if (radiusBase < 16 && radiusBase >= 6) {
     radiusLG = radiusBase + 2;
   } else if (radiusBase >= 16) {
-    radiusLG = radiusBase;
+    radiusLG = 16;
   }
 
   // radiusSM
@@ -27,7 +27,7 @@ const genRadius = (
   } else if (radiusBase < 16 && radiusBase >= 14) {
     radiusSM = 7;
   } else if (radiusBase >= 16) {
-    radiusSM = radiusBase / 2;
+    radiusSM = 8;
   }
 
   // radiusXS
@@ -45,7 +45,7 @@ const genRadius = (
   }
 
   return {
-    radiusBase,
+    radiusBase: radiusBase > 16 ? 16 : radiusBase,
     radiusXS,
     radiusSM,
     radiusLG,