fix reward publish

Change-Id: I22d18088000815010c92e22968a07d1d87fb3d92
diff --git "a/src/app/reward/reward-detail/\133rewardId\135/page.tsx" "b/src/app/reward/reward-detail/\133rewardId\135/page.tsx"
index 6c7b5bd..b6c60d4 100644
--- "a/src/app/reward/reward-detail/\133rewardId\135/page.tsx"
+++ "b/src/app/reward/reward-detail/\133rewardId\135/page.tsx"
@@ -293,7 +293,7 @@
                 {/* 右侧图片+价格+按钮 */}
                 <div className="reward-media">
                     <Image
-                        src={ "rewards/" + rewardInfo.rewardPicture}
+                        src={ rewardInfo.rewardPicture}
                         alt={rewardInfo.rewardName}
                         width="500"
                         height="400"