diff --git a/shared/pubUtils/battleUtils.ts b/shared/pubUtils/battleUtils.ts
index 43d005385..3775fdeb8 100644
--- a/shared/pubUtils/battleUtils.ts
+++ b/shared/pubUtils/battleUtils.ts
@@ -29,6 +29,7 @@ function getPrefixByEnv(env: string) {
         case 'sq9':
             return CDN_URL_PREFIX_SQ;
         case 'zy1':
+        case 'ch1':
             return CDN_URL_PREFIX_YJZ;
         default:
     }