diff --git a/src/main/java/love/sola/netsupport/api/Register.java b/src/main/java/love/sola/netsupport/api/Register.java
index f694142..8927022 100644
--- a/src/main/java/love/sola/netsupport/api/Register.java
+++ b/src/main/java/love/sola/netsupport/api/Register.java
@@ -34,7 +34,7 @@ public class Register extends HttpServlet {
 		response.addHeader("Content-type", "text/plain;charset=utf-8");
 
 		HttpSession httpSession = request.getSession(false);
-		if (Checker.authorized(httpSession, Command.REGISTER)) {
+		if (!Checker.authorized(httpSession, Command.REGISTER)) {
 			Redirect.message(response, 0, "Authorize_Failed");
 			return;
 		}
diff --git a/src/main/java/love/sola/netsupport/api/TicketQuery.java b/src/main/java/love/sola/netsupport/api/TicketQuery.java
index b023351..05cf35e 100644
--- a/src/main/java/love/sola/netsupport/api/TicketQuery.java
+++ b/src/main/java/love/sola/netsupport/api/TicketQuery.java
@@ -52,7 +52,7 @@ public class TicketQuery extends HttpServlet {
 		try (Session s = SQLCore.sf.openSession()) {
 
 			HttpSession httpSession = request.getSession(false);
-			if (Checker.authorized(httpSession, Command.QUERY)) {
+			if (!Checker.authorized(httpSession, Command.QUERY)) {
 				return new Response(Response.ResponseCode.UNAUTHORIZED);
 			}
 			User u = (User) httpSession.getAttribute("user");
diff --git a/src/main/java/love/sola/netsupport/api/TicketSubmit.java b/src/main/java/love/sola/netsupport/api/TicketSubmit.java
index 9db5eca..f0360a0 100644
--- a/src/main/java/love/sola/netsupport/api/TicketSubmit.java
+++ b/src/main/java/love/sola/netsupport/api/TicketSubmit.java
@@ -54,7 +54,7 @@ public class TicketSubmit extends HttpServlet {
 		try (Session s = SQLCore.sf.openSession()) {
 
 			HttpSession httpSession = request.getSession(false);
-			if (Checker.authorized(httpSession, Command.SUBMIT)) {
+			if (!Checker.authorized(httpSession, Command.SUBMIT)) {
 				return new Response(Response.ResponseCode.UNAUTHORIZED);
 			}
 			User u = (User) httpSession.getAttribute("user");