diff --git a/astrbot/core/tools/computer_tools/shell.py b/astrbot/core/tools/computer_tools/shell.py
index 2d3997387..af933e83b 100644
--- a/astrbot/core/tools/computer_tools/shell.py
+++ b/astrbot/core/tools/computer_tools/shell.py
@@ -73,6 +73,6 @@ class ExecuteShellTool(FunctionTool):
                 background=background,
                 env=env,
             )
-            return json.dumps(result)
+            return json.dumps(result, ensure_ascii=False)
         except Exception as e:
             return f"Error executing command: {str(e)}"