update script

script/creat_keystore.sh

@@ -24,5 +24,7 @@ sed -i "" "s#^signing_certificate=.*#signing_certificate=${certificate}#g"  grad
 sed -i "" "s#^signging_certificatePassword=.*#signging_certificatePassword=${certificatePassword}#g"  gradle.properties
 sed -i "" "s#^signging_storePassword=.*#signging_storePassword=${storePassword}#g"  gradle.properties
 
+
+rm -rf jks/*
 echo "ready to create new kestore ${alias}"
 keytool -genkey -alias "${alias}" -keypass "${alias}" -storepass "${alias}" -dname "CN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown" -keyalg RSA -validity 20000 -keystore jks/"${alias}".keystore
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