회원가입 알림톡 수정 및 문구 수정

src/main/java/com/style24/front/biz/web/TsfMypageController.java

@@ -2174,7 +2174,7 @@ public class TsfMypageController extends TsfBaseController {
 	 * @author jsshin
 	 * @since 2021. 03. 16
 	 */
-	@RequestMapping("/account/check")
+	@PostMapping("/account/check")
 	@ResponseBody
 	public GagaMap getAccountCheck(@RequestBody CustAccount custAccount) {
 		boolean isValid = false;