diff --git a/mywust-core/src/main/java/cn/linghang/mywust/core/service/auth/UndergraduateLogin.java b/mywust-core/src/main/java/cn/linghang/mywust/core/service/auth/UndergraduateLogin.java
index 65f4eaf..bfefb1e 100644
--- a/mywust-core/src/main/java/cn/linghang/mywust/core/service/auth/UndergraduateLogin.java
+++ b/mywust-core/src/main/java/cn/linghang/mywust/core/service/auth/UndergraduateLogin.java
@@ -35,11 +35,17 @@ public class UndergraduateLogin {
         HttpResponse sessionResponse = requester.get(sessionRequest, requestOption);
 
         String cookies = sessionResponse.getCookies();
-        if (checkCookies(cookies, requestOption)) {
-            log.warn("[mywust]: Cookie检查不通过：{}", cookies);
+        if (!roughCheckCookie(cookies)) {
+            log.error("[mywust]: Cookie粗查不通过：{}", cookies);
             throw new ApiException(ApiException.Code.UNKNOWN_EXCEPTION, "登录获取的Cookie无效");
         }
 
+        // 检查Cookie是否真正可用，同时请求一次任意接口使后续接口能够正确响应
+        // 拿到Cookie后调用的第一个接口会产生302/301跳转，需要再次调用才能正确响应
+        if (!checkCookies(cookies, requestOption)) {
+            log.warn("[mywust]: Cookie检查不通过：{}", cookies);
+        }
+
         return cookies;
     }
 
@@ -92,7 +98,7 @@ public class UndergraduateLogin {
     }
 
     private boolean roughCheckCookie(String cookies) {
-        return cookies == null || !cookies.contains("JSESSIONID") || !cookies.contains("SERVERID");
+        return cookies != null && cookies.contains("JSESSIONID") && cookies.contains("SERVERID");
     }
 
     private static final int COOKIES_ERROR_RESPONSE_LENGTH =
diff --git a/mywust-network/src/main/java/cn/linghang/mywust/network/RequestClientOption.java b/mywust-network/src/main/java/cn/linghang/mywust/network/RequestClientOption.java
index 7affa4c..53b0706 100644
--- a/mywust-network/src/main/java/cn/linghang/mywust/network/RequestClientOption.java
+++ b/mywust-network/src/main/java/cn/linghang/mywust/network/RequestClientOption.java
@@ -4,7 +4,6 @@ import lombok.Builder;
 import lombok.Data;
 
 @Data
-@Builder
 public class RequestClientOption {
     private Proxy proxy;
     private long timeout;
@@ -67,4 +66,40 @@ public class RequestClientOption {
         @Override
         public void setFallowUrlRedirect(boolean fallowUrlRedirect) {}
     }
+
+    public static RequestClientOptionBuilder builder() {
+        return new RequestClientOptionBuilder();
+    }
+
+    public static final class RequestClientOptionBuilder {
+        private final RequestClientOption requestClientOption;
+
+        private RequestClientOptionBuilder() {
+            requestClientOption = new RequestClientOption();
+        }
+
+        public RequestClientOptionBuilder proxy(Proxy proxy) {
+            requestClientOption.setProxy(proxy);
+            return this;
+        }
+
+        public RequestClientOptionBuilder timeout(long timeout) {
+            requestClientOption.setTimeout(timeout);
+            return this;
+        }
+
+        public RequestClientOptionBuilder fallowUrlRedirect(boolean fallowUrlRedirect) {
+            requestClientOption.setFallowUrlRedirect(fallowUrlRedirect);
+            return this;
+        }
+
+        public RequestClientOptionBuilder ignoreSSLError(boolean ignoreSSLError) {
+            requestClientOption.setIgnoreSSLError(ignoreSSLError);
+            return this;
+        }
+
+        public RequestClientOption build() {
+            return requestClientOption;
+        }
+    }
 }
diff --git a/mywust-network/src/main/java/cn/linghang/mywust/network/entitys/HttpRequest.java b/mywust-network/src/main/java/cn/linghang/mywust/network/entitys/HttpRequest.java
index 1ff802a..fc78ef5 100644
--- a/mywust-network/src/main/java/cn/linghang/mywust/network/entitys/HttpRequest.java
+++ b/mywust-network/src/main/java/cn/linghang/mywust/network/entitys/HttpRequest.java
@@ -38,9 +38,13 @@ public class HttpRequest {
 
     public HttpRequest(URL url, Map<String, String> headers, String cookies, byte[] data) {
         this.url = url;
-        this.headers = headers;
         this.cookies = cookies;
         this.data = data;
+
+        this.headers = headers;
+        if (headers == null) {
+            this.headers = new HashMap<>(DEFAULT_HEADERS);
+        }
     }
 
     public HttpRequest addHeaders(Map<String, String> headers) {