完善助力

package-lock.json

@@ -0,0 +1,3 @@
+{
+  "lockfileVersion": 1
+}

src/main/java/com/izouma/nineth/web/RiceInviteController.java

@@ -89,6 +89,11 @@ public class RiceInviteController extends BaseController {
     //助力别人并认领水滴
     @PostMapping("/helpOthers")
     public R<?> helpOthers(@RequestParam Long helperId, @RequestParam Long helpeeId) {
+
+        if (helperId.equals(helpeeId)) {
+            return R.error("不能自己助力自己");
+        }
+
         // 检查助力者是否已经助力过该用户
         Optional<RiceInvite> invite = riceInviteRepo.findByHelperIdAndHelpeeIdAndCreateTimeBetween(helperId, helpeeId, getTodayStartTime(), getTodayEndTime());
         if (invite.isPresent()) {