diff --git a/components/input/style/index.less b/components/input/style/index.less
index 204772534b..cee902e070 100644
--- a/components/input/style/index.less
+++ b/components/input/style/index.less
@@ -37,12 +37,7 @@
   transition: all 0.3s;
 
   &:hover {
-    & when (@theme = dark) {
-      color: fade(@white, 85%);
-    }
-    & when not (@theme = dark) {
-      color: fade(@black, 85%);
-    }
+    color: @input-icon-hover-color;
   }
 }
 
diff --git a/components/input/style/search-input.less b/components/input/style/search-input.less
index b41ee19fbd..384f14af84 100644
--- a/components/input/style/search-input.less
+++ b/components/input/style/search-input.less
@@ -11,12 +11,7 @@
     cursor: pointer;
     transition: all 0.3s;
     &:hover {
-      & when (@theme = dark) {
-        color: fade(@white, 85%);
-      }
-      & when not (@theme = dark) {
-        color: fade(@black, 85%);
-      }
+      color: @input-icon-hover-color;
     }
   }
 
diff --git a/components/style/themes/dark.less b/components/style/themes/dark.less
index 53e87274b5..81a3347edf 100644
--- a/components/style/themes/dark.less
+++ b/components/style/themes/dark.less
@@ -259,6 +259,7 @@
 @input-placeholder-color: fade(@white, 30%);
 @input-number-handler-bg: transparent;
 @input-number-handler-active-bg: @gray-11;
+@input-icon-hover-color: fade(@white, 85%);
 
 // Select
 // ---
diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index 2cc928b83f..c81275f076 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -350,6 +350,7 @@
 @input-hover-border-color: @primary-5;
 @input-disabled-bg: @disabled-bg;
 @input-outline-offset: 0 0;
+@input-icon-hover-color: fade(@black, 85%);
 
 // Mentions
 // ---