Update Department.java and add vcs.xml

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

src/main/java/com/liu/covid/entity/Department.java

@@ -9,5 +9,4 @@ public class Department {
     private Integer id;
     private String name;
     private String charge;
-
 }