diff --git a/src/kiri/core/platform.js b/src/kiri/core/platform.js
index 48c90282..e349dfb2 100644
--- a/src/kiri/core/platform.js
+++ b/src/kiri/core/platform.js
@@ -559,11 +559,18 @@ function platformChanged() {
             },[
                 h.div({ class: "widpop" }, [
                     h.div({ class: "widopt" }, [
+                        h.button(
+                            {
+                                title: "save",
+                                onclick() { w.saveToCatalog(null,true) }
+                            },
+                            [ h.i({ class:"fas fa-save" }) ]
+                        ),
                         h.button(
                             {
                                 title: "rename",
-                                onclick() { api.widgets.rename(w)
-                            }},
+                                onclick() { api.widgets.rename(w) }
+                            },
                             [ h.i({ class:"fas fa-pen-to-square" }) ]
                         ),
                         h.button(
diff --git a/src/kiri/core/widget.js b/src/kiri/core/widget.js
index 3b225a52..24e475cb 100644
--- a/src/kiri/core/widget.js
+++ b/src/kiri/core/widget.js
@@ -98,8 +98,11 @@ class Widget {
         this.support = false;
     }
 
-    saveToCatalog(filename) {
-        if (this.grouped) {
+    saveToCatalog(filename, overwrite) {
+        if (!filename) {
+            filename = this.meta.file;
+        }
+        if (this.grouped && !overwrite) {
             return this;
         }
         const widget = this;