diff --git a/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/graduate/GraduateRequestFactory.java b/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/graduate/GraduateRequestFactory.java
index e294397..ac58069 100644
--- a/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/graduate/GraduateRequestFactory.java
+++ b/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/graduate/GraduateRequestFactory.java
@@ -3,8 +3,11 @@ package cn.linghang.mywust.core.request.factory.graduate;
 import cn.linghang.mywust.captcha.SolvedImageCaptcha;
 import cn.linghang.mywust.core.api.GraduateUrls;
 import cn.linghang.mywust.core.request.factory.RequestFactory;
+import cn.linghang.mywust.core.util.PageFormExtractor;
 import cn.linghang.mywust.network.entitys.HttpRequest;
 import cn.linghang.mywust.util.StringUtil;
+import lombok.Builder;
+import lombok.Data;
 
 import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
@@ -15,15 +18,21 @@ public class GraduateRequestFactory extends RequestFactory {
         return makeHttpRequest(GraduateUrls.GRADUATE_CAPTCHA_API);
     }
 
-    private static final Map<String,String> LOGIN_CONST_PARAMS = new HashMap<>(5);
+    public static HttpRequest captchaRequest(String cookie) {
+        return makeHttpRequest(GraduateUrls.GRADUATE_CAPTCHA_API, null, cookie);
+    }
+
+    private static final Map<String, String> LOGIN_CONST_PARAMS = new HashMap<>(5);
+
     static {
-        LOGIN_CONST_PARAMS.put("__VIEWSTATE", "/wEPDwUENTM4MWQYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgIFEl9jdGwwOkltYWdlQnV0dG9uMQUSX2N0bDA6SW1hZ2VCdXR0b24yXnZLY54iSWFQ6B2yKH0EisNqU3/eKWEJPibQUElowzU=");
-        LOGIN_CONST_PARAMS.put("__EVENTVALIDATION", "/wEdAAYVkBquZFuFxLpraDgB64v+UDagjadrq+xukJizXKfuf485DjYUnSc4B1y8D5WGXeCaN+cQ7B52HzGj0ueO5HRlbdfASR9MjKgO1uRUmJC5kWf476Bpzok4CsBoBh+4Dc7vLkoP0tXUghu7H8qg++pYHeGok+i2xPFtG5oj0qB2dw==");
+        LOGIN_CONST_PARAMS.put("__VIEWSTATE", "/wEPDwUENTM4MWQYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgIFEl9jdGwwOkltYWdlQnV0dG9uMQUSX2N0bDA6SW1hZ2VCdXR0b24yocdtCYu4PMj471MTbP5cXU8bY4gtaO8szHfQ9BzPZdU=");
+        LOGIN_CONST_PARAMS.put("__EVENTVALIDATION", "/wEdAAZILdedbS+/UZ9vGGceLDGGUDagjadrq+xukJizXKfuf485DjYUnSc4B1y8D5WGXeCaN+cQ7B52HzGj0ueO5HRlbdfASR9MjKgO1uRUmJC5kWf476Bpzok4CsBoBh+4Dc7g7ZIrePIEkbgMpk1NAfZEXHl1KcVqFDpYCaSt9iZO5w==");
         LOGIN_CONST_PARAMS.put("__VIEWSTATEGENERATOR", "496CE0B8");
         LOGIN_CONST_PARAMS.put("_ctl0:ImageButton1.x", "39");
         LOGIN_CONST_PARAMS.put("_ctl0:ImageButton1.y", "10");
     }
 
+    @Deprecated
     public static HttpRequest loginRequest(String username, String password, SolvedImageCaptcha captcha) {
         Map<String, String> params = new HashMap<>(7);
         params.putAll(LOGIN_CONST_PARAMS);
@@ -36,6 +45,48 @@ public class GraduateRequestFactory extends RequestFactory {
         return makeHttpRequest(GraduateUrls.GRADUATE_LOGIN_API, requestData, captcha.getBindInfo());
     }
 
+    @Data
+    @Builder
+    public static class LoginPageParams {
+        private final String viewState;
+        private final String eventValidation;
+        private final String vewStateGenerator;
+    }
+
+    public static HttpRequest loginRequest(String username, String password, LoginPageParams loginPageParams, SolvedImageCaptcha captcha) {
+        Map<String, String> params = new HashMap<>(7);
+        params.putAll(LOGIN_CONST_PARAMS);
+
+        params.put("__VIEWSTATE", loginPageParams.viewState);
+        params.put("__EVENTVALIDATION", loginPageParams.eventValidation);
+        params.put("__VIEWSTATEGENERATOR", loginPageParams.vewStateGenerator);
+        params.put("_ctl0:txtusername", username);
+        params.put("_ctl0:txtpassword", password);
+        params.put("_ctl0:txtyzm", captcha.getResult());
+
+        byte[] requestData = StringUtil.generateQueryString(params).getBytes(StandardCharsets.UTF_8);
+
+        return makeHttpRequest(GraduateUrls.GRADUATE_LOGIN_API, requestData, captcha.getBindInfo());
+    }
+
+    public static HttpRequest loginRequest(String username, String password, String loginPage, SolvedImageCaptcha captcha) {
+        Map<String, String> params = new HashMap<>(7);
+        params.putAll(LOGIN_CONST_PARAMS);
+
+        Map<String, String> form = PageFormExtractor.searchAllParams(loginPage);
+
+        params.put("__VIEWSTATE", form.get("__VIEWSTATE"));
+        params.put("__EVENTVALIDATION", form.get("__EVENTVALIDATION"));
+        params.put("__VIEWSTATEGENERATOR", form.get("__VIEWSTATEGENERATOR"));
+        params.put("_ctl0:txtusername", username);
+        params.put("_ctl0:txtpassword", password);
+        params.put("_ctl0:txtyzm", captcha.getResult());
+
+        byte[] requestData = StringUtil.generateQueryString(params).getBytes(StandardCharsets.UTF_8);
+
+        return makeHttpRequest(GraduateUrls.GRADUATE_LOGIN_API, requestData, captcha.getBindInfo());
+    }
+
     public static HttpRequest studentInfoRequest(String cookie) {
         return makeHttpRequest(GraduateUrls.GRADUATE_STUDENT_INFO_API, null, cookie);
     }
diff --git a/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/physics/PhysicsSystemRequestFactory.java b/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/physics/PhysicsSystemRequestFactory.java
index 5c95982..54502a1 100644
--- a/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/physics/PhysicsSystemRequestFactory.java
+++ b/mywust-core/src/main/java/cn/linghang/mywust/core/request/factory/physics/PhysicsSystemRequestFactory.java
@@ -15,7 +15,7 @@ public class PhysicsSystemRequestFactory extends RequestFactory {
     }
 
     public static HttpRequest loginCookiesRequest(String username, String password, String loginIndexHtml) {
-        Map<String, String> params = PageFormExtractor.extractAllParams(loginIndexHtml);
+        Map<String, String> params = PageFormExtractor.searchAllParams(loginIndexHtml);
         String viewState = params.get("__VIEWSTATE");
 
         String queryData = StringUtil.generateQueryString(makeLoginQueryParam(username, password, viewState));
diff --git a/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/auth/GraduateLogin.java b/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/auth/GraduateLogin.java
index b56e4d6..c6f0e09 100644
--- a/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/auth/GraduateLogin.java
+++ b/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/auth/GraduateLogin.java
@@ -30,12 +30,17 @@ public class GraduateLogin {
     }
 
     public String getLoginCookie(String username, String password, RequestClientOption option) throws IOException, ApiException {
-        // 请求获取验证码
-        HttpRequest captchaImageRequest = GraduateRequestFactory.captchaRequest();
+        HttpRequest loginIndexRequest = RequestFactory.makeHttpRequest(GraduateUrls.GRADUATE_LOGIN_API);
+        HttpResponse loginIndexResponse = requester.get(loginIndexRequest, option);
+
+        String loginCookie = loginIndexResponse.getCookies();
+
+        // 用得到的Cookie请求获取验证码
+        HttpRequest captchaImageRequest = GraduateRequestFactory.captchaRequest(loginCookie);
         HttpResponse captchaImageResponse = requester.get(captchaImageRequest, option);
 
         UnsolvedImageCaptcha unsolvedImageCaptcha = new UnsolvedImageCaptcha();
-        unsolvedImageCaptcha.setBindInfo(captchaImageResponse.getCookies());
+        unsolvedImageCaptcha.setBindInfo(loginCookie);
 
         byte[] processedImage = ImageUtil.process(captchaImageResponse.getBody());
         unsolvedImageCaptcha.setImage(processedImage);
@@ -44,7 +49,7 @@ public class GraduateLogin {
         SolvedImageCaptcha solvedImageCaptcha = captchaSolver.solve(unsolvedImageCaptcha);
 
         // 进行登录
-        HttpRequest loginRequest = GraduateRequestFactory.loginRequest(username, password, solvedImageCaptcha);
+        HttpRequest loginRequest = GraduateRequestFactory.loginRequest(username, password, loginIndexResponse.getStringBody(), solvedImageCaptcha);
         HttpResponse loginResponse = requester.post(loginRequest, option);
 
         // 登陆成功，应该会是302跳转，不是的话多半是认证错误
@@ -52,8 +57,8 @@ public class GraduateLogin {
             throw new ApiException(ApiException.Code.GRADUATE_PASSWORD_WRONG);
         }
 
-        // 使用当初通过验证码得到的cookie来作为登录cookie，至于是否真正可行待验证
-        return captchaImageResponse.getCookies();
+        // 使用首页第一次访问得到的cookie来作为登录cookie
+        return loginCookie;
     }
 
     public void checkCookies(String cookie, RequestClientOption option) throws ApiException, IOException {
diff --git a/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/physics/PhysicsScoreApiService.java b/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/physics/PhysicsScoreApiService.java
index 487f7e5..fb2a930 100644
--- a/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/physics/PhysicsScoreApiService.java
+++ b/mywust-core/src/main/java/cn/linghang/mywust/core/request/service/physics/PhysicsScoreApiService.java
@@ -38,7 +38,7 @@ public class PhysicsScoreApiService extends PhysicsApiServiceBase {
 
         PhysicsScoreListPageParser.PhysicsScoreListPageParseResult pageParseResult = scoreListPageParser.parse(scoreListPage);
 
-        Map<String, String> pageParams = PageFormExtractor.extractAllParams(scoreListPage);
+        Map<String, String> pageParams = PageFormExtractor.searchAllParams(scoreListPage);
         pageParams.put("ID_PEE63$ddlxq", pageParseResult.getTerm());
 
         List<String> courseIds = pageParseResult.getCourseIds();
diff --git a/mywust-core/src/main/java/cn/linghang/mywust/core/util/PageFormExtractor.java b/mywust-core/src/main/java/cn/linghang/mywust/core/util/PageFormExtractor.java
index fcea906..8123575 100644
--- a/mywust-core/src/main/java/cn/linghang/mywust/core/util/PageFormExtractor.java
+++ b/mywust-core/src/main/java/cn/linghang/mywust/core/util/PageFormExtractor.java
@@ -30,7 +30,7 @@ public class PageFormExtractor {
 
     private static final Pattern formPattern = Pattern.compile("name=\"(?<name>.*?)\"(.*?)value=\"(?<value>.*?)\"");
 
-    public static Map<String, String> extractAllParams(String wholeHtml) {
+    public static Map<String, String> searchAllParams(String wholeHtml) {
         Map<String, String> params = new HashMap<>(16);
         Matcher matcher = formPattern.matcher(wholeHtml);
         while (matcher.find()) {