diff --git a/src/main/java/com/dsideal/sso/Controller/WebLoginController.java b/src/main/java/com/dsideal/sso/Controller/WebLoginController.java
index 0504c43..9a05937 100644
--- a/src/main/java/com/dsideal/sso/Controller/WebLoginController.java
+++ b/src/main/java/com/dsideal/sso/Controller/WebLoginController.java
@@ -41,6 +41,15 @@ public class WebLoginController extends Controller {
      * 接入统一认证的系统，跳转到统一认证的地址
      */
     public void login(String redirect_url) {
+        //检查重定向地址是不是有效
+        if (lm.getSystemByRedirectUrl(redirect_url) == null) {
+            JSONObject resultJson = new JSONObject();
+            resultJson.put("success", false);
+            resultJson.put("msg", "输入的回调地址并不在允许接入的业务系统范围内，请先联系管理员添加到接入系统中再试！");
+            renderJson(resultJson);
+            return;
+        }
+
         Map<String, String> loginMap = SsoLoginHelper.loginCheck(getRequest());
         if (loginMap != null) {
             if (!redirect_url.contains("?")) {
@@ -49,14 +58,7 @@ public class WebLoginController extends Controller {
                 redirect301(redirect_url + "&" + PropKit.get("sso.sessionid") + "=" + loginMap.get("session_id").toString());
             }
         } else {
-            //检查重定向地址是不是有效
-            if (lm.getSystemByRedirectUrl(redirect_url) == null) {
-                JSONObject resultJson = new JSONObject();
-                resultJson.put("success", false);
-                resultJson.put("msg", "输入的回调地址并不在允许接入的业务系统范围内，请先联系管理员添加到接入系统中再试！");
-                renderJson(resultJson);
-                return;
-            }
+
             redirect_url = CommonUtil.handleRedirectUrlParas(redirect_url);
             redirect("/html/login.html?redirect_url=" + redirect_url);
         }
diff --git a/target/classes/com/dsideal/sso/Controller/WebLoginController.class b/target/classes/com/dsideal/sso/Controller/WebLoginController.class
index 8310bd0..ee740b9 100644
Binary files a/target/classes/com/dsideal/sso/Controller/WebLoginController.class and b/target/classes/com/dsideal/sso/Controller/WebLoginController.class differ