diff --git a/component/common/src/main/java/one/nem/lacerta/component/common/picker/base/placeholder b/component/common/src/main/java/one/nem/lacerta/component/common/picker/base/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/component/common/src/main/java/one/nem/lacerta/component/common/picker/placeholder b/component/common/src/main/java/one/nem/lacerta/component/common/picker/placeholder
new file mode 100644
index 00000000..e69de29b