Update FamilyController.java

mirage-service/src/main/java/com/mirage/mirageservice/controller/FamilyController.java

@@ -46,9 +46,9 @@ public class FamilyController {
      */
     @Auth(value = AuthType.COOKIES)
     @RequestMapping(value = "/member/selfCard", method = RequestMethod.GET)
-    // TODO
-    public Object getSelfCard(@RequestParam Long mid){
-        return familyService.getSelfFamilyMember(AppContext.getUid());
+    public Object getSelfCard(@RequestParam(required = false) Long mid){
+        Long uid = null == mid ? AppContext.getUid() : mid;
+        return familyService.getSelfFamilyMember(uid);
     }
 
     /**