diff --git a/bricks/input.js b/bricks/input.js
index ff5fbc0..05b00f7 100644
--- a/bricks/input.js
+++ b/bricks/input.js
@@ -73,11 +73,12 @@ bricks.UiAudioText = class extends bricks.UiType {
 	clear_text(){
 		this.text_w.setValue('');
 	}
-	getValue(){
-		this.value = this.text_w.getValue();
+	resultValue(){
+		this.value = this.text_w.resultValue();
 		return this.value;
 	}
 	setValue(v){
+		this.value = v;
 		this.text_w.setValue(v);
 	}
     set_result_text(event){
diff --git a/bricks/llm.js b/bricks/llm.js
index a805165..edbd75d 100644
--- a/bricks/llm.js
+++ b/bricks/llm.js
@@ -1,5 +1,17 @@
 bricks = window.bricks || {}
 
+var inputdata2dic = function(data){
+	if (! data instanceof FormData) return data;
+	var d = {}
+	for (let k of data.keys()){
+		var x = data.get(k);
+		x = x instanceof File? x:x.toString();
+		y = Object.prototype.toString.call(x)
+		d[k] = x;
+		console.log('x=', x, 'k=', k, 'x type=', y);
+	}
+	return d;
+}
 bricks.LlmMsgAudio = class extends bricks.UpStreaming {
 	constructor(opts){
 		super(opts);
@@ -171,6 +183,19 @@ bricks.LlmModel = class extends bricks.JsWidget {
 	}
 	show_setup_panel(event){
 
+	}
+	inputdata2uploaddata(data){
+		var d = data;
+		if (data instanceof FormData){
+			d.append('model', this.opts.model)
+			d.append('modelinstanceid', this.opts.modelinstanceid)
+			d.append('modeltypeid', this.opts.modeltypeid)
+		} else {
+			d.model = this.opts.model;
+			d.modelinstanceid = this.opts.modelinstanceid;
+			d.modeltypeid = this.opts.modeltypeid;
+		}
+		return d;
 	}
 	async model_inputed(data){
 		if (!opts.use_session){
@@ -184,27 +209,20 @@ bricks.LlmModel = class extends bricks.JsWidget {
 					output_view:this.opts.output_view});
 		this.llmio.o_w.add_widget(mout);
 		var fmt = this.opts.user_message_format || { role:'user', content:'${prompt}'};
-		var umsg = bricks.apply_data(fmt, data);
+		var umsg = bricks.apply_data(fmt, inputdata2dic(data));
 		var d = {};
 		this.messages.push(umsg);
 		d.model = this.opts.model;
 		d.modelinstanceid = this.opts.modelinstanceid;
 		d.modeltypeid = this.opts.modeltypeid;
 		if (this.response_mode == 'stream' || this.response_mode == 'async') {
-			d = {};
-			d.messages = this.messages;
-			d.model = this.opts.model;
-			d.modelinstanceid = this.opts.modelinstanceid;
-			d.modeltypeid = this.opts.modeltypeid;
+			var d = this.inputdata2uploaddata(data);
 			var hr = new bricks.HttpResponseStream();
 			var resp = await hr.post(this.opts.url, {params:d});
 			await hr.handle_chunk(resp, this.chunk_response.bind(this, mout));
 			this.chunk_ended();
 		} else {
-			d = data
-			d.model = this.opts.model;
-			d.modelinstanceid = this.opts.modelinstanceid;
-			d.modeltypeid = this.opts.modeltypeid;
+			var d = this.inputdata2uploaddata(data);
 			var hj = new bricks.HttpJson()
 			var resp = await hj.post(this.opts.url, {params:d});
 			if (this.response_mode == 'sync'){
@@ -302,8 +320,6 @@ bricks.LlmIO = class extends bricks.VBox {
 	}
 	async handle_input(event){
 		var params = event.params;
-		if (params.prompt)
-			params.prompt = bricks.escapeSpecialChars(params.prompt);
 		await this.show_input(params);
 		for(var i=0;i<this.llmmodels.length;i++){
 			var lm = this.llmmodels[i];
@@ -315,7 +331,12 @@ bricks.LlmIO = class extends bricks.VBox {
 	}
 	async show_input(params){
 		var box = new bricks.HBox({width:'100%'});
-		var w = await bricks.widgetBuild(this.input_view, this.o_w, params);
+		var data = inputdata2dic(params);
+		if (data.prompt){
+			data.prompt = bricks.escapeSpecialChars(data.prompt);
+		}
+		console.log('data=', data, 'input_view=', this.input_view);
+		var w = await bricks.widgetBuild(this.input_view, this.o_w, data);
 		w.set_css(this.msg_css||'user_msg');
 		w.set_css('filler');
 		var img = new bricks.Icon({rate:2,url:this.user_icon||bricks_resource('imgs/user.png')});