diff --git a/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/cas/util/CASServiceUtil.java b/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/cas/util/CASServiceUtil.java
deleted file mode 100644
index 12fcec1f..00000000
--- a/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/cas/util/CASServiceUtil.java
+++ /dev/null
@@ -1,107 +0,0 @@
-package org.jeecg.modules.cas.util;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.security.cert.X509Certificate;
-
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.X509TrustManager;
-
-import org.apache.http.HttpResponse;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
-import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClients;
-
-/**
- * @Description: CasServiceUtil
- * @author: jeecg-boot
- */
-public class CasServiceUtil {
-	
-	public static void main(String[] args) {
-		String serviceUrl = "https://cas.8f8.com.cn:8443/cas/p3/serviceValidate";
-		String service = "http://localhost:3003/user/login";
-		String ticket = "ST-5-1g-9cNES6KXNRwq-GuRET103sm0-DESKTOP-VKLS8B3";
-		String res = getStValidate(serviceUrl,ticket, service);
-		
-		System.out.println("---------res-----"+res);
-	}
-	
-	
-	/**
-     * 验证ST
-     */
-    public static String getStValidate(String url, String st, String service){
-		try {
-			url = url+"?service="+service+"&ticket="+st;
-			CloseableHttpClient httpclient = createHttpClientWithNoSsl();
-			HttpGet httpget = new HttpGet(url);
-			HttpResponse response = httpclient.execute(httpget);
-	        String res = readResponse(response);
-	        return res == null ? null : (res == "" ? null : res);
-		} catch (Exception e) {
-			e.printStackTrace();
-		}
-		return "";
-	}
-
-    
-    /**
-     * 读取 response body 内容为字符串
-     *
-     * @param response
-     * @return
-     * @throws IOException
-     */
-    private static String readResponse(HttpResponse response) throws IOException {
-        BufferedReader in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
-        String result = new String();
-        String line;
-        while ((line = in.readLine()) != null) {
-            result += line;
-        }
-        return result;
-    }
-    
-    
-    /**
-     * 创建模拟客户端（针对 https 客户端禁用 SSL 验证）
-     *
-     * @param cookieStore 缓存的 Cookies 信息
-     * @return
-     * @throws Exception
-     */
-    private static CloseableHttpClient createHttpClientWithNoSsl() throws Exception {
-        // Create a trust manager that does not validate certificate chains
-        TrustManager[] trustAllCerts = new TrustManager[]{
-                new X509TrustManager() {
-                    @Override
-                    public X509Certificate[] getAcceptedIssuers() {
-                        return null;
-                    }
-
-                    @Override
-                    public void checkClientTrusted(X509Certificate[] certs, String authType) {
-                        // don't check
-                    }
-
-                    @Override
-                    public void checkServerTrusted(X509Certificate[] certs, String authType) {
-                        // don't check
-                    }
-                }
-        };
-
-        SSLContext ctx = SSLContext.getInstance("TLS");
-        ctx.init(null, trustAllCerts, null);
-        LayeredConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(ctx);
-        return HttpClients.custom()
-                .setSSLSocketFactory(sslSocketFactory)
-                .build();
-    }
-
-}