Update mlc-chat-config.json

mlc-chat-config.json

@@ -41,16 +41,14 @@
     "strip_space_in_decode": true
   },
   "conv_template": {
-    "name": "gemma_instruction",
-    "system_template": "{system_message}",
-    "system_message": "",
-    "system_prefix_token_ids": [
-      2
-    ],
+    "name": "chatml",
+    "system_template": "<|im_start|>system\n{system_message}<|im_end|>\n",
+    "system_message": "A conversation between a user and an LLM-based AI assistant. The assistant gives helpful and honest answers.",
+    "system_prefix_token_ids": null,
     "add_role_after_system_message": true,
     "roles": {
-      "user": "<start_of_turn>user",
-      "assistant": "<start_of_turn>model"
+      "user": "<|im_start|>user",
+      "assistant": "<|im_start|>assistant"
     },
     "role_templates": {
       "user": "{user_message}",
@@ -59,16 +57,15 @@
     },
     "messages": [],
     "seps": [
-      "<end_of_turn>\n"
+      "<|im_end|>\n"
     ],
     "role_content_sep": "\n",
     "role_empty_sep": "\n",
     "stop_str": [
-      "<end_of_turn>"
+      "<|im_end|>"
     ],
     "stop_token_ids": [
-      1,
-      107
+      2
     ],
     "function_string": "",
     "use_function_calling": false