diff --git a/src/codeinterpreterapi/main.py b/src/codeinterpreterapi/main.py
new file mode 100644
index 0000000..a54282d
--- /dev/null
+++ b/src/codeinterpreterapi/main.py
@@ -0,0 +1,40 @@
+from fastapi import FastAPI, Request
+from fastapi.responses import JSONResponse
+import traceback
+import io
+import contextlib
+
+app = FastAPI(title="Code Interpreter API")
+
+@app.get("/")
+async def root():
+    return {"message": "🚀 Code Interpreter API is running"}
+
+@app.post("/run")
+async def run_code(request: Request):
+    """
+    简易 Python 代码执行接口
+    Body 例子：
+    {
+      "code": "print(1+1)"
+    }
+    """
+    try:
+        data = await request.json()
+        code = data.get("code", "")
+        if not code:
+            return JSONResponse({"error": "No code provided"}, status_code=400)
+
+        # 捕获代码输出
+        output_buffer = io.StringIO()
+        with contextlib.redirect_stdout(output_buffer):
+            exec(code, {})
+
+        result = output_buffer.getvalue()
+        return {"result": result.strip()}
+
+    except Exception as e:
+        return JSONResponse({
+            "error": str(e),
+            "traceback": traceback.format_exc()
+        }, status_code=500)