diff --git a/src/coverage_busstop_update.sh b/src/coverage_busstop_update.sh
index 856da48..13d4681 100755
--- a/src/coverage_busstop_update.sh
+++ b/src/coverage_busstop_update.sh
@@ -3,9 +3,10 @@
 mkdir database
 
 rm */update.sql
-#java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.DbBusstop -DROP
+#java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.DbBusstop -drop
 java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.DbBusstop
 
+#java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.DbExistBusstop -drop
 java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.DbExistBusstop
 
 java -cp .:osmCoverage.jar:hayashi_0225.jar:postgresql-9.4.1212.jar:hsqldb_2.2.9.jar osm.jp.coverage.busstop.Busstop -update