diff --git a/src/m.wxsy.net/crawler.sh b/src/m.wxsy.net/crawler.sh
index e78cec6..d7d1850 100755
--- a/src/m.wxsy.net/crawler.sh
+++ b/src/m.wxsy.net/crawler.sh
@@ -5,6 +5,6 @@ mkdir -p ./data/html/
 mkdir -p ./data/json/
 
 python3 catalog.py > ./data/catalog.json
-python3 fetch.py ./data/catalog.json ./data/html
-python3 extract.py ./data/catalog.json ./data/html ./data/json
-python3 release.py ./data/catalog.json ./data/json > ./data/xxrs.json
+python3 fetch.py ./data/catalog.json ./data/html/
+python3 extract.py ./data/catalog.json ./data/html/ ./data/json
+python3 release.py ./data/catalog.json ./data/json/ > ./data/xxrs.json
diff --git a/src/wxsy.net/check.sh b/src/wxsy.net/check.sh
new file mode 100755
index 0000000..7eafab5
--- /dev/null
+++ b/src/wxsy.net/check.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+cd `dirname $0`
+
+diff <(xz -cdk ./archive/catalog.json.xz | jq .) <(cat ./data/catalog.json | jq .)
+diff <(cd ./data/html/ && sha1sum * | sort -u) <(cat ./archive/html.sha1sum | sort -u)
+diff <(cd ./data/json/ && sha1sum * | sort -u) <(cat ./archive/json.sha1sum | sort -u)
+diff <(xz -cdk ./archive/xxrs.json.xz | jq .) <(cat ./data/xxrs.json | jq .)
diff --git a/src/wxsy.net/crawler.sh b/src/wxsy.net/crawler.sh
index 299b207..d7d1850 100755
--- a/src/wxsy.net/crawler.sh
+++ b/src/wxsy.net/crawler.sh
@@ -8,13 +8,3 @@ python3 catalog.py > ./data/catalog.json
 python3 fetch.py ./data/catalog.json ./data/html/
 python3 extract.py ./data/catalog.json ./data/html/ ./data/json
 python3 release.py ./data/catalog.json ./data/json/ > ./data/xxrs.json
-
-cd ./data/
-xz -k9 catalog.json
-tar cJf html.tar.xz html/
-tar cJf json.tar.xz json/
-xz -k9 xxrs.json
-
-mkdir -p ../archive/
-mv *.xz ../archive/
-cd ../