diff --git a/src/button/src/styles/index.cssr.ts b/src/button/src/styles/index.cssr.ts
index 5362a657c1c..df91b684432 100644
--- a/src/button/src/styles/index.cssr.ts
+++ b/src/button/src/styles/index.cssr.ts
@@ -212,6 +212,7 @@ export default c([
       display: flex;
       align-items: center;
       flex-wrap: nowrap;
+      min-width: 0;
     `, [
       c('~', [
         cE('icon', {