diff --git a/llmage/asyncinference.py b/llmage/asyncinference.py
new file mode 100644
index 0000000..4cc9070
--- /dev/null
+++ b/llmage/asyncinference.py
@@ -0,0 +1,169 @@
+import json
+import time
+import asyncio
+from random import randint
+from functools import partial
+from traceback import format_exc
+from sqlor.dbpools import DBPools, get_sor_context
+from appPublic.log import debug, exception, error
+from appPublic.uniqueID import getID
+from appPublic.dictObject import DictObject
+from appPublic.timeUtils import curDateString, timestampstr
+from appPublic.base64_to_file import base64_to_file, getFilenameFromBase64
+from uapi.appapi import UAPI, sor_get_callerid, sor_get_uapi
+from ahserver.serverenv import get_serverenv, ServerEnv
+from ahserver.filestorage import FileStorage
+from llmage.accounting import llm_accounting
+from .utils immport *
+
+async def get_today_asynctask_list(userid):
+	env = ServerEnv()
+	async with get_sor_context(env, 'llmage') as sor:
+		today = getCurrentDate()
+		sql = '''select * from llmusage 
+where userid=${userid}$ 
+	and use_date = ${date}$'''
+		recs = await sor.sqlExe(sql, {
+			'date': today,
+			'userid': userid
+		}
+		return recs
+	return []
+
+async def get_asynctask_status(taskid):
+	env = ServerEnv()
+	async with get_sor_context(env, 'llmage') as sor:
+		recs = sor.R('llmusage', {'taskid', taskid})
+		if recs:
+			r = recs[0]
+			io = json.loads(r.ioinfo)
+			d = io.get('output', {})
+			if isinstance(d, list):
+				return d[-1]
+			return d
+		return {
+			'taskid': taskid,
+			'status': 'FAILED',
+			'error': f'taskid={taskid} not exist'
+		}
+	return {
+		'taskid': taskid,
+		'status': 'FAILED',
+		'error': f'system error'
+	}
+	
+async def async_uapi_request(request, llm, sor, 
+				callerid, callerorgid, params_kw=None):
+	env = request._run_ns.copy()
+	if not params_kw:
+		params_kw = env.params_kw
+	# callerorgid = await env.get_userorgid()
+	# callerid = await env.get_user()
+	uapi = UAPI(request, sor=sor)
+	userid = await get_owner_userid(sor, llm)
+	b = None
+	luid = getID()
+	try:
+		start_timestamp = time.time()
+		if llm.callbackurl:
+			params_kw.callbackurl = llm.callbackurl
+		b = await uapi.call(llm.upappid, llm.apiname, userid, params=params_kw)
+		if isinstance(b, bytes):
+			b = b.decode('utf-8')
+		debug(f'task sumbited:{b}')
+		d = DictObject(**json.loads(b))
+		if d.status != 'SUCCEEDED':
+			e = Exception(f'resp={d} not success')
+			raise e
+		responsed_seconds = time.time() - start_timestamp
+		finish_seconds = response_seconds
+		llmusage = DictObject()
+		llmusage.id = luid
+		llmusage.llmid = llm.id
+		llmusage.use_date = curDateString()
+		llmusage.use_time = timestampstr()
+		llmusage.userid = callerid
+		llmusage.usage = json.dumps(usage)
+		llmusage.ioinfo = json.dumps({
+			"input": params_kw
+		})
+		llmusage.taskid = d.taskid
+		llmusage.transno = params_kw.transno
+		llmusage.responsed_seconds = responsed_seconds
+		llmusage.finish_seconds = finish_seconds
+		llmusage.status = 'CREATED'
+		llmusage.userorgid = callerorgid
+		llmusage.ownerid = llm.orgid
+		b = json.dumps(d, ensure_ascii=False)
+		yield b
+		await write_llmusage(llmusage)
+		await llm_accounting(request, llmusage)
+		if llm.callbackurl:
+			return
+		apinames = [ name.strip() for name in llm.query_apiname.split(',') ]
+		asyncio.create_task(query_task_status(request, llm.upappid, 
+								apinames, luid, userid, d.taskid))
+
+	except Exception as e:
+		exception(f'{e=},{format_exc()}')
+		estr = erase_apikey(e)
+		ed = {"error": f"ERROR:{estr}", "status": "FAILED"}
+		s = json.dumps(ed)
+		s = ''.join(s.split('\n'))
+		yield f'{s}\n'
+		return
+
+async def add_new_llmusage_output(luid, rzt):
+	env = ServerEnv()
+	async with get_sor_context(env, 'llmage') as sor:
+		recs = await sor.R('llmusage', {'id': luid})
+		if recs:
+			r = recs[0]
+			io = json.loads(r.ioinfo)
+			out = io.get('output', [])
+			out.append(out)
+			io['output'] = out
+			r.ioinfo = json.dumps({
+				'input': io.get('input',{}),
+				'output': out
+			})
+			await await sor.U('llmusage', r)
+			return
+
+async def query_task_status(request, upappid, apinames, luid, userid, taskid):
+	async with get_sor_context(env, 'llmage') as sor:
+		uapi = UAPI(request, sor)
+		for apiname in apinames:
+			try:
+				ns = {'taskid': taskid}
+				b = await uapi.call(upappid, apiname, userid, params=ns)
+				if isinstance(b, bytes):
+					b = b.decode('utf-8')
+				d = json.loads(b)
+				rzt = DictObject(**d)
+				await add_new_llmusage_output(luid, rzt)
+				if rzt.status == 'FAILED':
+					return
+				if rzt.status == 'SUCCEEDED':
+					if llm.ppid:
+						try:
+							chargings = await llm_charginng(sor, 
+												llm.ppid, callerid, usage)
+							llmusage.amount = chargings.amount
+							llmusage.cost = chargings.cost
+						except Exception as e:
+							e = Exception(f'{llm.pid} charging error{e}')
+							exception(f'{e}')
+					else:
+						llmusage.amount = 0
+						llmusage.cost = 0
+					await llm_accounting(request, llmusage)
+					
+			except Exception as e:
+				exception(f'{e=},{format_exc()}')
+				estr = erase_apikey(e)
+				recs = sor.R('llmusage', {'id': luid})
+				ed = {"error": f"ERROR:{estr}", "status": "FAILED", 'taskid': taskid}
+				await add_new_llmusage_output(luid, ed)
+				return
+
diff --git a/llmage/callback.py b/llmage/callback.py
new file mode 100644
index 0000000..57dbbec
--- /dev/null
+++ b/llmage/callback.py
@@ -0,0 +1,54 @@
+from ahserver.serverenv import ServerEnv
+from appPublic.dictObject import DictObject
+from sqlor.dbpools import get_sor_context
+from .accounting import llm_charging, llm_accounting
+
+async def asynctask_callbacka(appname, apiname, params_kw)
+	env = ServerEnv()
+	llmusage = None
+	async with get_sor_context(env, 'llmage') as sor:
+		uapi = await env.sor_get_uapi_by_appname_apiname(appname, apiname)
+		try:
+			dstr = await env.tmpl_engine.renders(uapi.response, params_kw)
+			d = DictObject(**json.loads(dstr))
+			llmus = await sor.R('llmusage', {'taskid': d.taskid})
+			if len(llmus) == 0:
+				e = Exception(f'{d=}, {taskid=} not found')
+				exception(f'{e}')
+				raise e
+			llmusage = llmus[0]
+			io = json.loads(llmusage.ioinfo)
+			out = io.get('output')
+			out.append(d)
+			llmusage.status = d.status
+			if d.status == 'SUCCEEDED':
+				llms = await sor.R('llm', {'id': llmusage.llmid})
+				if len(llms) == 0:
+					e = Exception(f'{llmusage.llmid} llm not found')
+					exception(f'{e}')
+					raise e
+				llm = llms[0]
+				if llm.ppid:
+					try:
+						chargings = await llm_charging(sor, llm.ppid, 
+												llmusage.userid, d.usage)
+						llmusage.amount = chargings.amount
+						llmusage.cost = chargings.cost
+					except Exception as e:
+						e = Exception(f'{llm.pid} charging error{e}')
+						exception(f'{e}')
+				else:
+					llmusage.amount = 0
+					llmusage.cost = 0
+				sor.U('llmusage', llmusage)
+
+
+		except Exception as e:
+			e = Exception(f'{uapi.response=}, {params_kw=} render error')
+			exception(f'{e}')
+			raise e
+
+	if llmusage:
+		await llm_accounting(request, llmusage)
+
+		
diff --git a/llmage/llmclient.py b/llmage/llmclient.py
index c46feb5..0b857d6 100644
--- a/llmage/llmclient.py
+++ b/llmage/llmclient.py
@@ -5,7 +5,7 @@ from random import randint
 from functools import partial
 from traceback import format_exc
 from sqlor.dbpools import DBPools, get_sor_context
-from appPublic.log import debug, exception
+from appPublic.log import debug, exception, error
 from appPublic.uniqueID import getID
 from appPublic.dictObject import DictObject
 from appPublic.timeUtils import curDateString, timestampstr
@@ -13,7 +13,9 @@ from appPublic.base64_to_file import base64_to_file, getFilenameFromBase64
 from uapi.appapi import UAPI, sor_get_callerid, sor_get_uapi
 from ahserver.serverenv import get_serverenv, ServerEnv
 from ahserver.filestorage import FileStorage
-from llmage.accounting import llm_accounting
+from .asyncinference import async_uapi_request
+from .syncinference import syncinference
+from .accounting import llm_accounting
 
 def erase_apikey(e):
 	e = str(e)
@@ -516,6 +518,23 @@ async def llm_query_price(llmid, config_data):
 		prices = await env.pricing_program_charging(sor, llm.ppid, config_data)
 		return prices
 
+async def add_new_llmusage_output(luid, rzt):
+	env = ServerEnv()
+	async with get_sor_context(env, 'llmage') as sor:
+		recs = await sor.R('llmusage', {'id': luid})
+		if recs:
+			r = recs[0]
+			io = json.loads(r.ioinfo)
+			out = io.get('output', [])
+			out.append(out)
+			io['output'] = out
+			r.ioinfo = json.dumps({
+				'input': io.get('input',{}),
+				'output': out
+			})
+			await await sor.U('llmusage', r)
+			return
+
 async def query_task_status(request, upappid, apinames, luid, userid, taskid):
 	async with get_sor_context(env, 'llmage') as sor:
 		uapi = UAPI(request, sor)
@@ -527,18 +546,29 @@ async def query_task_status(request, upappid, apinames, luid, userid, taskid):
 					b = b.decode('utf-8')
 				d = json.loads(b)
 				rzt = DictObject(**d)
+				await add_new_llmusage_output(luid, rzt)
 				if rzt.status == 'FAILED':
+					return
+				if rzt.status == 'SUCCEEDED':
+					if llm.ppid:
+						try:
+							chargings = await llm_charginng(sor, 
+												llm.ppid, callerid, usage)
+							llmusage.amount = chargings.amount
+							llmusage.cost = chargings.cost
+						except Exception as e:
+							e = Exception(f'{llm.pid} charging error{e}')
+							exception(f'{e}')
+					else:
+						llmusage.amount = 0
+						llmusage.cost = 0
+					await llm_accounting(request, llmusage)
+					
 			except Exception as e:
 				exception(f'{e=},{format_exc()}')
 				estr = erase_apikey(e)
 				recs = sor.R('llmusage', {'id': luid})
-				ed = {"error": f"ERROR:{estr}", "status": "FAILED"}
-				s = json.dumps(ed)
-				s = ''.join(s.split('\n'))
-				outlines.append(ed)
-				yield f'{s}\n'
-				await write_llmusage(luid, llm, callerid, None, params_kw, outlines, sor)
+				ed = {"error": f"ERROR:{estr}", "status": "FAILED", 'taskid': taskid}
+				await add_new_llmusage_output(luid, ed)
 				return
 
-			rzt['llmusageid'] = luid
-
diff --git a/llmage/syncinference.py b/llmage/syncinference.py
new file mode 100644
index 0000000..d8cadf2
--- /dev/null
+++ b/llmage/syncinference.py
@@ -0,0 +1,85 @@
+import json
+import time
+import asyncio
+from random import randint
+from functools import partial
+from traceback import format_exc
+from sqlor.dbpools import DBPools, get_sor_context
+from appPublic.log import debug, exception, error
+from appPublic.uniqueID import getID
+from appPublic.dictObject import DictObject
+from appPublic.timeUtils import curDateString, timestampstr
+from appPublic.base64_to_file import base64_to_file, getFilenameFromBase64
+from uapi.appapi import UAPI, sor_get_callerid, sor_get_uapi
+from ahserver.serverenv import get_serverenv, ServerEnv
+from ahserver.filestorage import FileStorage
+from llmage.accounting import llm_accounting, llm_charginng
+
+async def sync_uapi_request(request, llm, sor, callerid, callerorgid, params_kw=None):
+	env = request._run_ns.copy()
+	if not params_kw:
+		params_kw = env.params_kw
+	# callerid = await env.get_user()
+	# callerorgid = await env.get_userorgid()
+	uapi = UAPI(request, sor=sor)
+	userid = await get_owner_userid(sor, llm)
+	outlines = []
+	b = None
+	d = None
+	luid = getID()
+	try:
+		start_timestamp = time.time()
+		responsed_seconds = None
+		finish_seconds = None
+		b = await uapi.call(llm.upappid, llm.apiname, userid, params=params_kw)
+		if isinstance(b, bytes):
+			b = b.decode('utf-8')
+		d = json.loads(b)
+		status = d.get('status')
+		usage = d.get('usage', {})
+		if status and status != 'SUCCEEDED':
+			raise Exception(d['error'])
+		responsed_seconds = time.time() - start_timestamp
+		finish_seconds = response_seconds
+		llmusage = DictObject()
+		llmusage.id = luid
+		llmusage.llmid = llm.id
+		llmusage.use_date = curDateString()
+		llmusage.use_time = timestampstr()
+		llmusage.userid = callerid
+		llmusage.usage = json.dumps(usage)
+		llmusage.ioinfo = json.dumps({
+			"input": params_kw,
+			"output": d
+		})
+		llmusage.transno = params_kw.transno
+		llmusage.responsed_seconds = responsed_seconds
+		llmusage.finish_seconds = finish_seconds
+		llmusage.status = 'SUCCEEDED'
+		if llm.ppid:
+			try:
+				chargings = await llm_charginng(sor, llm.ppid, callerid, usage)
+				llmusage.amount = chargings.amount
+				llmusage.cost = chargings.cost
+			except Exception as e:
+				e = Exception(f'{llm.pid} charging error{e}')
+				exception(f'{e}')
+		else:
+			llmusage.amount = 0
+			llmusage.cost = 0
+		llmusage.userorgid = callerorgid
+		llmusage.ownerid = llm.orgid
+		llmusage.accounting_status = 'created'
+		b = json.dumps(d, ensure_ascii=False)
+		yield b
+		await write_llmusage(llmusage)
+		await llm_accounting(request, llmusage)
+	except Exception as e:
+		exception(f'{e=},{format_exc()}')
+		estr = erase_apikey(e)
+		ed = {"error": f"ERROR:{estr}", "status": "FAILED" ,"llmusageid": luid}
+		s = json.dumps(ed)
+		s = ''.join(s.split('\n'))
+		outlines.append(ed)
+		yield f'{s}\n'
+
diff --git a/wwwroot/vidu_callback.dspy b/wwwroot/vidu_callback.dspy
new file mode 100644
index 0000000..4b729f0
--- /dev/null
+++ b/wwwroot/vidu_callback.dspy
@@ -0,0 +1,8 @@
+try:
+	r = await asynctask_callbacka('vidu平台', 'taskSTatus', params_kw)
+except Exception as e:
+	exception(f'{e}')
+return json_response({
+		text:'success'
+})
+