diff --git a/internal/package_ota.sh b/internal/package_ota.sh
index 2da87a9..91ee9fd 100755
--- a/internal/package_ota.sh
+++ b/internal/package_ota.sh
@@ -126,9 +126,9 @@ tee $OUTPUT_JSON > /dev/null <<EOM
     "size": $SYSTEM_SIZE,
     "sparse": true,
     "full_check": false,
-    "has_ab": true
+    "has_ab": true,
     "casync_caibx": "$AGNOS_UPDATE_URL/system-$SYSTEM_HASH.caibx",
-    "casync_store": "$AGNOS_UPDATE_URL/system-$SYSTEM_HASH",
+    "casync_store": "$AGNOS_UPDATE_URL/system-$SYSTEM_HASH"
   }
 ]
 EOM