diff --git a/src/update.sh b/src/update.sh
index 534611c..2bd8931 100755
--- a/src/update.sh
+++ b/src/update.sh
@@ -2,4 +2,4 @@
 java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.Busstop -update
 java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar osm.jp.postgis.Do_sqlfiles -update
 java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.Coverage coverage.csv
-git commit -a -m "coverage update"
+git commit -a -m "coverage update  $(date +%Y-%m-%d_%H:%M)"