diff --git a/src/main/java/com/dsideal/sso/Controller/WebLoginController.java b/src/main/java/com/dsideal/sso/Controller/WebLoginController.java
index c03d6d3..a398e11 100644
--- a/src/main/java/com/dsideal/sso/Controller/WebLoginController.java
+++ b/src/main/java/com/dsideal/sso/Controller/WebLoginController.java
@@ -1,6 +1,7 @@
 package com.dsideal.sso.Controller;
 
 import java.awt.image.BufferedImage;
+import java.io.IOException;
 import java.util.Map;
 import java.util.UUID;
 
@@ -142,7 +143,7 @@ public class WebLoginController extends Controller {
     /**
      * 获取验证码
      */
-    public void getCaptcha() {
+    public void getCaptcha() throws IOException {
         HttpServletResponse response = getResponse();
         // 设置相应类型,告诉浏览器输出的内容为图片
         response.setContentType("image/jpeg");
@@ -151,19 +152,14 @@ public class WebLoginController extends Controller {
         response.setHeader("Cache-Control", "no-cache");
         response.setDateHeader("Expire", 0);
 
-        try {
-            HttpSession session = getRequest().getSession();
-            CaptchaUtil tool = new CaptchaUtil();
-            StringBuffer code = new StringBuffer();
-            BufferedImage image = tool.genRandomCodeImage(code);
-            session.removeAttribute("captcha");
-            session.setAttribute("captcha", code.toString());
-
-            // 将内存中的图片通过流动形式输出到客户端
-            ImageIO.write(image, "JPEG", response.getOutputStream());
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
+        HttpSession session = getRequest().getSession();
+        CaptchaUtil tool = new CaptchaUtil();
+        StringBuffer code = new StringBuffer();
+        BufferedImage image = tool.genRandomCodeImage(code);
+        session.removeAttribute("captcha");
+        session.setAttribute("captcha", code.toString());
+        // 将内存中的图片通过流动形式输出到客户端
+        ImageIO.write(image, "JPEG", response.getOutputStream());
         renderNull();
     }
 
diff --git a/target/classes/com/dsideal/sso/Controller/WebLoginController.class b/target/classes/com/dsideal/sso/Controller/WebLoginController.class
index 235088a..baaf113 100644
Binary files a/target/classes/com/dsideal/sso/Controller/WebLoginController.class and b/target/classes/com/dsideal/sso/Controller/WebLoginController.class differ