Fix chat template

chat_template.jinja

@@ -1,7 +1,25 @@
-{% set audio_count = namespace(value=0) %}{% set image_count = namespace(value=0) %}{% set video_count = namespace(value=0) %}{% for message in messages %}{% if loop.first and message['role'] != 'system' %}<|im_start|>system
-You are a helpful assistant.<|im_end|>
-{% endif %}<|im_start|>{{ message['role'] }}
-{% if message['content'] is string %}{{ message['content'] }}<|im_end|>
-{% else %}{% for content in message['content'] %}{% if content['type'] == 'image' or 'image' in content or 'image_url' in content %}{% set image_count.value = image_count.value + 1 %}{% if add_vision_id %}Picture {{ image_count.value }}: {% endif %}<|vision_bos|><|IMAGE|><|vision_eos|>{% elif content['type'] == 'audio' or 'audio' in content or 'audio_url' in content %}{% set audio_count.value = audio_count.value + 1 %}{% if add_audio_id %}Audio {{ audio_count.value }}: {% endif %}<|audio_bos|><|AUDIO|><|audio_eos|>{% elif content['type'] == 'video' or 'video' in content %}{% set video_count.value = video_count.value + 1 %}{% if add_vision_id %}Video {{ video_count.value }}: {% endif %}<|vision_bos|><|VIDEO|><|vision_eos|>{% elif 'text' in content %}{{ content['text'] }}{% endif %}{% endfor %}<|im_end|>
-{% endif %}{% endfor %}{% if add_generation_prompt %}<|im_start|>assistant
-{% endif %}
+{%- for message in messages -%}
+	{%- if loop.first and message["role"] != "system" -%}
+		{{- "<|im_start|>system\nYou are Qwen, a virtual human developed by the Qwen Team, Alibaba Group, capable of perceiving auditory and visual inputs, as well as generating text and speech.<|im_end|>\n" -}}
+	{%- endif -%}
+	{{- "<|im_start|>" -}}
+	{{- message["role"] -}}
+	{{- "\n" -}}
+	{%- if message["content"] is string -%}
+		{{- message["content"] -}}
+	{%- else -%}
+		{%- for content in message["content"] -%}
+			{%- if content["type"] == "text" -%}
+                {{- content["text"] -}}
+			{%- elif content["type"] == "audio" -%}
+				{{- "<|audio_bos|><|AUDIO|><|audio_eos|>" -}}
+			{%- endif -%}
+		{%- endfor -%}
+	{%- endif -%}
+    {%- if not loop.last or loop.last and not continue_final_message -%}
+        {{- "<|im_end|>\n" -}}
+    {%- endif -%}
+{%- endfor -%}
+{%- if add_generation_prompt -%}
+	{{- "<|im_start|>assistant\n" -}}
+{%- endif -%}