diff --git a/llmage/init.py b/llmage/init.py
index ca57d0e..8bce6be 100644
--- a/llmage/init.py
+++ b/llmage/init.py
@@ -1,3 +1,4 @@
+from base64_to_file import hex2base64
 from llmage.llmclient import (
 	b64media2url,
 	get_llm, 
@@ -18,6 +19,7 @@ def load_llmage():
 	env = ServerEnv()
 	env.get_llm = get_llm
 	env.b64media2url = b64media2url
+	env.hex2base64 = hex2base64
 	env.inference = inference
 	env.get_llms_by_catelog = get_llms_by_catelog
 	env.get_llmcatelogs = get_llmcatelogs
diff --git a/llmage/llmclient.py b/llmage/llmclient.py
index 63459cd..e062924 100644
--- a/llmage/llmclient.py
+++ b/llmage/llmclient.py
@@ -167,6 +167,7 @@ async def async_uapi_request(request, llm, sor):
 			yield b + '\n'
 			if not rzt.status or rzt.status == 'FAILED':
 				debug(f'{b=} return error')
+				yield f'{{"content": f"ERROR:{e=}"}}\n'
 				return
 			if rzt.status == 'SUCCEEDED':
 				debug(f'{b=} return successed')