diff --git a/app.py b/app.py
index ea162cd..6d1faf4 100644
--- a/app.py
+++ b/app.py
@@ -3,6 +3,7 @@
 import math
 
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 from pyproj import CRS
 from morecantile import tms, TileMatrixSet
 from rio_tiler.io import Reader
@@ -38,6 +39,18 @@ app = FastAPI(
     description="Mars MGS MOLA Color-Shaded Relief global tile server powered by Titiler",
 )
 
+# Configure CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=[
+        "http://digitalmars.com.cn",
+        "https://digitalmars.com.cn",
+    ],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
 # Create COG Tiler with Mars TMS support
 cog = TilerFactory(
     reader=Reader,