diff --git a/src/llmtuner/data/template.py b/src/llmtuner/data/template.py
index dd355e97..73b22eb7 100644
--- a/src/llmtuner/data/template.py
+++ b/src/llmtuner/data/template.py
@@ -503,6 +503,7 @@ _register_template(
     name="chatml",
     format_user=StringFormatter(slots=["<|im_start|>user\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_system=StringFormatter(slots=["<|im_start|>system\n{{content}}<|im_end|>\n"]),
+    format_observation=StringFormatter(slots=["<|im_start|>tool\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_separator=EmptyFormatter(slots=["\n"]),
     stop_words=["<|im_end|>", "<|im_start|>"],
     replace_eos=True,
@@ -513,6 +514,7 @@ _register_template(
     name="chatml_de",
     format_user=StringFormatter(slots=["<|im_start|>user\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_system=StringFormatter(slots=["<|im_start|>system\n{{content}}<|im_end|>\n"]),
+    format_observation=StringFormatter(slots=["<|im_start|>tool\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_separator=EmptyFormatter(slots=["\n"]),
     default_system="Du bist ein freundlicher und hilfsbereiter KI-Assistent.",
     stop_words=["<|im_end|>", "<|im_start|>"],
@@ -554,6 +556,7 @@ _register_template(
     name="dbrx",
     format_user=StringFormatter(slots=["<|im_start|>user\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_system=StringFormatter(slots=["<|im_start|>system\n{{content}}<|im_end|>\n"]),
+    format_observation=StringFormatter(slots=["<|im_start|>tool\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_separator=EmptyFormatter(slots=["\n"]),
     default_system=(
         "You are DBRX, created by Databricks. You were last updated in December 2023. "
@@ -633,6 +636,9 @@ _register_template(
     name="gemma",
     format_user=StringFormatter(slots=["<start_of_turn>user\n{{content}}<end_of_turn>\n<start_of_turn>model\n"]),
     format_system=StringFormatter(slots=[{"bos_token"}, "{{content}}"]),
+    format_observation=StringFormatter(
+        slots=["<start_of_turn>tool\n{{content}}<end_of_turn>\n<start_of_turn>model\n"]
+    ),
     format_separator=EmptyFormatter(slots=["<end_of_turn>\n"]),
     efficient_eos=True,
     force_system=True,
@@ -703,6 +709,14 @@ _register_template(
     format_system=StringFormatter(
         slots=[{"bos_token"}, "<|start_header_id|>system<|end_header_id|>\n\n{{content}}<|eot_id|>"]
     ),
+    format_observation=StringFormatter(
+        slots=[
+            (
+                "<|start_header_id|>tool<|end_header_id|>\n\n{{content}}<|eot_id|>"
+                "<|start_header_id|>assistant<|end_header_id|>\n\n"
+            )
+        ]
+    ),
     default_system="You are a helpful assistant.",
     stop_words=["<|eot_id|>"],
     replace_eos=True,
@@ -747,6 +761,7 @@ _register_template(
     name="phi",
     format_user=StringFormatter(slots=["<|user|>\n{{content}}<|end|>\n<|assistant|>\n"]),
     format_system=StringFormatter(slots=[{"bos_token"}, "<|system|>\n{{content}}<|end|>\n"]),
+    format_observation=StringFormatter(slots=["<|function_output|>\n{{content}}<|end|>\n<|assistant|>\n"]),
     format_separator=EmptyFormatter(slots=["\n"]),
     default_system="You are a helpful AI assistant.",
     stop_words=["<|end|>"],
@@ -758,6 +773,7 @@ _register_template(
     name="qwen",
     format_user=StringFormatter(slots=["<|im_start|>user\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_system=StringFormatter(slots=["<|im_start|>system\n{{content}}<|im_end|>\n"]),
+    format_observation=StringFormatter(slots=["<|im_start|>tool\n{{content}}<|im_end|>\n<|im_start|>assistant\n"]),
     format_separator=EmptyFormatter(slots=["\n"]),
     default_system="You are a helpful assistant.",
     stop_words=["<|im_end|>"],