diff --git a/package-lock.json b/package-lock.json
index ab514d9..05bccc2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "uiconfig.js",
-    "version": "0.0.4",
+    "version": "0.0.5",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "uiconfig.js",
-            "version": "0.0.4",
+            "version": "0.0.5",
             "license": "MIT",
             "devDependencies": {
                 "@rollup/plugin-commonjs": "^24.0.1",
diff --git a/package.json b/package.json
index 9b2ffcf..17c68f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "uiconfig.js",
-    "version": "0.0.4",
+    "version": "0.0.5",
     "description": "A framework for building user interface layouts with JSON configuration.",
     "main": "src/index.ts",
     "module": "dist/index.mjs",
diff --git a/src/UiConfigMethods.ts b/src/UiConfigMethods.ts
index a81239f..4d2e85f 100644
--- a/src/UiConfigMethods.ts
+++ b/src/UiConfigMethods.ts
@@ -45,7 +45,7 @@ export class UiConfigMethods {
         return this.runAtEvent(config, () => {
             const [tar, key] = this.getBinding(config)
             if (!tar || value === tar[key] || !safeSetProperty(tar, key, value, true, true)) {
-                if(!forceOnChange) return false
+                if (!forceOnChange) return false
             }
             this.dispatchOnChangeSync(config, props)
             return true
diff --git a/src/decorator_utils.ts b/src/decorator_utils.ts
index 0614612..57e9e8d 100644
--- a/src/decorator_utils.ts
+++ b/src/decorator_utils.ts
@@ -1,5 +1,6 @@
 import {UiObjectConfig} from './types'
 import {v4} from 'uuid'
+import {Fof} from 'ts-browser-helpers'
 
 export class UiConfigTypeMap {
     static Map = new Map<ObjectConstructor, any[]>()
@@ -44,7 +45,7 @@ export function generateUiConfig(obj: any): UiObjectConfig[] {
             const val = obj[key]
             if (val === undefined || val === null) continue
             // if (Array.isArray(obj)) debugger
-            const c = generateValueConfig(obj, key, key + '', val)
+            const c = ()=>generateValueConfig(obj, key, key + '', val)
             if (c) result.push(c)
         }
     }
@@ -53,7 +54,7 @@ export function generateUiConfig(obj: any): UiObjectConfig[] {
         UiConfigTypeMap.Map.get(t)?.forEach(({params, propKey, uiType}: any) => {
             let config: any
             if (!uiType) {
-                config = generateValueConfig(obj, propKey)
+                config = ()=>generateValueConfig(obj, propKey)
             }
             if (!config) {
                 config = {
@@ -66,6 +67,10 @@ export function generateUiConfig(obj: any): UiObjectConfig[] {
             if (params) {
                 const extraParams = typeof params.params === 'function' ? params.params(obj) : params.params || {}
                 delete params.params
+                if (typeof config === 'function') {
+                    const c1: Fof<any, any> = config
+                    config = ()=>Object.assign(c1(), {...params, ...extraParams})
+                }
                 Object.assign(config, {...params, ...extraParams})
             }
             result.push(config)