diff --git a/apps/demo-fixed-layout/src/plugins/variable-plugin/variable-plugin.ts b/apps/demo-fixed-layout/src/plugins/variable-plugin/variable-plugin.ts
index 17177dce..4948e210 100644
--- a/apps/demo-fixed-layout/src/plugins/variable-plugin/variable-plugin.ts
+++ b/apps/demo-fixed-layout/src/plugins/variable-plugin/variable-plugin.ts
@@ -53,7 +53,7 @@ export const createVariablePlugin: PluginCreator<VariablePluginOptions> = define
         syncOutputs(form.getValueIn('outputs'));
         // Listen outputs change
         form.onFormValuesChange(props => {
-          if (props.name === 'outputs') {
+          if (props.name.match(/^outputs/)) {
             syncOutputs(form.getValueIn('outputs'));
           }
         });
diff --git a/apps/demo-free-layout/src/plugins/variable-plugin/variable-plugin.ts b/apps/demo-free-layout/src/plugins/variable-plugin/variable-plugin.ts
index d34bff9d..f880a225 100644
--- a/apps/demo-free-layout/src/plugins/variable-plugin/variable-plugin.ts
+++ b/apps/demo-free-layout/src/plugins/variable-plugin/variable-plugin.ts
@@ -53,7 +53,7 @@ export const createVariablePlugin: PluginCreator<VariablePluginOptions> = define
         syncOutputs(form.getValueIn('outputs'));
         // Listen outputs change
         form.onFormValuesChange(props => {
-          if (props.name === 'outputs') {
+          if (props.name.match(/^outputs/)) {
             syncOutputs(form.getValueIn('outputs'));
           }
         });