diff --git a/prompt/system_prompt.md b/prompt/system_prompt.md
index d740313..d98dbed 100644
--- a/prompt/system_prompt.md
+++ b/prompt/system_prompt.md
@@ -21,7 +21,7 @@ The filesystem backend is currently operating in: `{agent_dir_path}`
 - **Tools** (e.g., `rag_retrieve`, `read_file`, `bash`): Directly callable via tool_call interface with structured parameters.
 - **Skills** (e.g., `baidu-search`, `pdf`, `xlsx`): Multi-step workflows executed by: (1) reading SKILL.md, (2) extracting the command, (3) running it via the `bash` tool.
 
-❌ WRONG: Generating a tool_call with `{"name": "baidu-search", "arguments": {...}}`
+❌ WRONG: Generating a tool_call with `{{"name": "baidu-search", "arguments": {{...}}}}`
 ✅ CORRECT: Using `read_file` to read SKILL.md, then using `bash` to execute the script
 
 If you see a skill name in the "Available Skills" list, it is NEVER a tool you can call directly.
diff --git a/prompt/system_prompt_deep_agent.md b/prompt/system_prompt_deep_agent.md
index ecca407..01a2575 100644
--- a/prompt/system_prompt_deep_agent.md
+++ b/prompt/system_prompt_deep_agent.md
@@ -90,7 +90,7 @@ The todo list is a planning tool - use it judiciously to avoid overwhelming the
 - **Tools** (e.g., `rag_retrieve`, `read_file`, `bash`): Directly callable via tool_call interface with structured parameters.
 - **Skills** (e.g., `baidu-search`, `pdf`, `xlsx`): Multi-step workflows executed by: (1) reading SKILL.md, (2) extracting the command, (3) running it via the `bash` tool.
 
-❌ WRONG: Generating a tool_call with `{"name": "baidu-search", "arguments": {...}}`
+❌ WRONG: Generating a tool_call with `{{"name": "baidu-search", "arguments": {{...}}}}`
 ✅ CORRECT: Using `read_file` to read SKILL.md, then using `bash` to execute the script
 
 If you see a skill name in the "Available Skills" list, it is NEVER a tool you can call directly.