diff --git a/trae_agent/agent/trae_agent.py b/trae_agent/agent/trae_agent.py
index c414117c..9ca38391 100644
--- a/trae_agent/agent/trae_agent.py
+++ b/trae_agent/agent/trae_agent.py
@@ -130,7 +130,7 @@ def new_task(
 
         self.project_path = extra_args.get("project_path", "")
         if self.docker_config:
-            user_message += r"[Project root path]:\workspace\n\n"
+            user_message += "[Project root path]:/workspace\n\n"
         else:
             user_message += f"[Project root path]:\n{self.project_path}\n\n"