diff --git a/dist/base.css b/dist/base.css
index edaa28ef9..4226264e3 100644
--- a/dist/base.css
+++ b/dist/base.css
@@ -1455,6 +1455,7 @@ body .bi-button.button-ignore.disabled.ghost .b-font:before,
 }
 .x-icon.b-font {
   margin: auto;
+  width: 100%;
 }
 .bi-file {
   opacity: 0;
diff --git a/dist/bundle.css b/dist/bundle.css
index 269f441a1..003e184de 100644
--- a/dist/bundle.css
+++ b/dist/bundle.css
@@ -3502,6 +3502,7 @@ body .bi-button.button-ignore.disabled.ghost .b-font:before,
 }
 .x-icon.b-font {
   margin: auto;
+  width: 100%;
 }
 .bi-file {
   opacity: 0;
diff --git a/dist/fineui.css b/dist/fineui.css
index d8366ad3b..b4f510e79 100644
--- a/dist/fineui.css
+++ b/dist/fineui.css
@@ -3502,6 +3502,7 @@ body .bi-button.button-ignore.disabled.ghost .b-font:before,
 }
 .x-icon.b-font {
   margin: auto;
+  width: 100%;
 }
 .bi-file {
   opacity: 0;
diff --git a/src/css/base/single/icon.css b/src/css/base/single/icon.css
index a27b54773..03e445ad0 100644
--- a/src/css/base/single/icon.css
+++ b/src/css/base/single/icon.css
@@ -1,3 +1,4 @@
 .x-icon.b-font {
   margin: auto;
+  width: 100%;
 }
diff --git a/src/less/base/single/icon.less b/src/less/base/single/icon.less
index dce0c3535..080a14736 100644
--- a/src/less/base/single/icon.less
+++ b/src/less/base/single/icon.less
@@ -1,3 +1,4 @@
 .x-icon.b-font {
   margin: auto;
+  width: 100%;
 }
\ No newline at end of file