删除了ai识别验证码部分，新增个人成绩补考标识和cet成绩查询

captcha/recognize.go

@@ -1,7 +1,7 @@
 package captcha
 
-// GetCaptchaCode 返回固定验证码
+// GetCaptchaCode 返回固定验证码占位值。
-// 教务系统验证码已不再需要识别，直接使用固定值
+// 教务系统验证码不再需要 AI 识别，登录时直接提交固定占位值 "...."。
 func GetCaptchaCode() string {
 	return "...."
 }

config/config.go

@@ -1,24 +1,14 @@
 package config
 
 import (
-	"log/slog"
 	"os"
 	"sync"
-	"time"
 )
 
 type Config struct {
 	BaseURL  string
 	Semester string
 	TWFID    string
-	Recognizer RecognizerConfig
-}
-
-type RecognizerConfig struct {
-	APIURL  string
-	APIKey  string
-	Model   string
-	Timeout time.Duration
 }
 
 var (
@@ -32,16 +22,6 @@ func Load() *Config {
 			BaseURL:  getEnv("JWTS_BASE_URL", "http://jwts.hitwh.edu.cn"),
 			Semester: getEnv("JWTS_SEMESTER", ""),
 			TWFID:    getEnv("JWTS_TWFID", ""),
-			Recognizer: RecognizerConfig{
-				APIURL:  getEnv("RECOGNIZER_API_URL", "https://api.littlelan.cn/v1/chat/completions"),
-				APIKey:  getEnv("RECOGNIZER_API_KEY", ""),
-				Model:   getEnv("RECOGNIZER_MODEL", "qwen3.5-plus"),
-				Timeout: getEnvDuration("RECOGNIZER_TIMEOUT", 120*time.Second),
-			},
-		}
-
-		if cfg.Recognizer.APIKey == "" {
-			slog.Warn("RECOGNIZER_API_KEY not set, image recognition will not work")
 		}
 	})
 	return cfg
@@ -62,22 +42,8 @@ func getEnv(key, defaultValue string) string {
 	return val
 }
 
-func getEnvDuration(key string, defaultValue time.Duration) time.Duration {
-	val := os.Getenv(key)
-	if val == "" {
-		return defaultValue
-	}
-	if d, err := time.ParseDuration(val); err == nil {
-		return d
-	}
-	return defaultValue
-}
-
 var (
 	BaseURL  = Get().BaseURL
 	Semester = Get().Semester
 	TWFID    = Get().TWFID
-	RecognizerAPIURL = Get().Recognizer.APIURL
-	RecognizerAPIKey = Get().Recognizer.APIKey
-	RecognizerModel  = Get().Recognizer.Model
 )

grpc/handler.go

@@ -2,21 +2,46 @@ package grpc
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"log/slog"
 	"sync"
 	"time"
 
+	"schedule_converter/service"
+
 	pb "schedule_converter/proto/runner"
 )
 
 type TaskHandler struct {
 	cancelledTasks sync.Map
+	service        *service.Service
 }
 
 func NewTaskHandler() *TaskHandler {
-	return &TaskHandler{}
+	return &TaskHandler{service: service.NewService()}
+}
+
+func supportedTaskTypes() []pb.TaskType {
+	return []pb.TaskType{
+		pb.TaskType_TASK_TYPE_LOGIN,
+		pb.TaskType_TASK_TYPE_GET_SCHEDULE,
+		pb.TaskType_TASK_TYPE_GET_GRADES,
+		pb.TaskType_TASK_TYPE_GET_EXAMS,
+		pb.TaskType_TASK_TYPE_GET_EMPTY_CLASSROOM,
+		pb.TaskType_TASK_TYPE_GET_CET,
+	}
+}
+
+func unmarshalPayload(payload []byte, v any) error {
+	if len(payload) == 0 {
+		return fmt.Errorf("任务 payload 为空")
+	}
+	if err := json.Unmarshal(payload, v); err != nil {
+		return fmt.Errorf("解析任务 payload 失败: %w", err)
+	}
+	return nil
 }
 
 func (h *TaskHandler) Execute(task *pb.Task) *pb.TaskResult {
@@ -71,6 +96,8 @@ func (h *TaskHandler) dispatch(ctx context.Context, task *pb.Task) ([]byte, erro
 		return h.login(ctx, task.Payload)
 	case pb.TaskType_TASK_TYPE_GET_EMPTY_CLASSROOM:
 		return h.getEmptyClassrooms(ctx, task.Payload)
+	case pb.TaskType_TASK_TYPE_GET_CET:
+		return h.getCET(ctx, task.Payload)
 	default:
 		return nil, fmt.Errorf("%w: %v", errUnknownTaskType, task.Type)
 	}

models/grade.go

@@ -19,6 +19,7 @@ type GradeEntry struct {
 	Score      string
 	GradePoint string
 	IsExam     string
+	IsRetake   bool
 }
 
 // GPASummary 学分绩概要

parser/score.go

@@ -39,29 +39,13 @@ func ParseGradesHTML(html string) ([]models.GradeEntry, error) {
 
 			isMidterm := len(texts) == 10
 
-			entry := models.GradeEntry{
+			entry := parseGradeRowTexts(texts, detectRetake(row))
-				Term:   safeGet(texts, 1),
-				Code:   safeGet(texts, 3),
-				Name:   safeGet(texts, 4),
-				Credit: safeGet(texts, 7),
-			}
 
-			if isMidterm {
+			if isMidterm && entry.Score == "" {
 				entry.Score = safeGet(texts, 8)
 				if len(texts) > 9 {
 					entry.GradePoint = safeGet(texts, 9)
 				}
-			} else {
-				if len(texts) >= 13 {
-					entry.Nature = safeGet(texts, 3)
-					entry.Category = safeGet(texts, 4)
-					entry.Score = safeGet(texts, 12)
-					entry.GradePoint = safeGet(texts, 9)
-					entry.IsExam = safeGet(texts, 6)
-				} else if len(texts) >= 10 {
-					entry.Score = safeGet(texts, 8)
-					entry.GradePoint = safeGet(texts, 9)
-				}
 			}
 
 			if entry.Name != "" && len(entry.Name) >= 2 {
@@ -123,17 +107,7 @@ func ParseGPAHTML(html string) (*models.GPASummary, []models.GradeEntry, error)
 
 			texts := getCellTexts(cells)
 
-			entry := models.GradeEntry{
+			entry := parseGradeRowTexts(texts, detectRetake(row))
-				Term:       safeGet(texts, 0),
-				Code:       safeGet(texts, 1),
-				Name:       safeGet(texts, 2),
-				Nature:     safeGet(texts, 3),
-				Category:   safeGet(texts, 4),
-				IsExam:     safeGet(texts, 6),
-				Credit:     safeGet(texts, 7),
-				Score:      safeGet(texts, 8),
-				GradePoint: safeGet(texts, 9),
-			}
 
 			if entry.Name != "" && len(entry.Name) >= 2 {
 				grades = append(grades, entry)
@@ -144,6 +118,74 @@ func ParseGPAHTML(html string) (*models.GPASummary, []models.GradeEntry, error)
 	return summary, grades, nil
 }
 
+func parseGradeRowTexts(texts []string, isRetake bool) models.GradeEntry {
+	entry := models.GradeEntry{IsRetake: isRetake}
+
+	// 详细成绩/GPA 页面格式：
+	// 序号、学期、学院、课程代码、课程名称、课程性质、课程类别、学分、是否考试课、是否学位课、成绩标记、成绩、最终成绩、绩点1、绩点、录入时间、备注。
+	if len(texts) >= 15 && looksLikeDetailedGradeRow(texts) {
+		entry.Term = safeGet(texts, 1)
+		entry.Code = safeGet(texts, 3)
+		entry.Name = safeGet(texts, 4)
+		entry.Nature = safeGet(texts, 5)
+		entry.Category = safeGet(texts, 6)
+		entry.Credit = safeGet(texts, 7)
+		entry.IsExam = safeGet(texts, 8)
+		entry.Score = firstNonEmpty(safeGet(texts, 12), safeGet(texts, 11))
+		entry.GradePoint = firstNonEmpty(safeGet(texts, 14), safeGet(texts, 13))
+		return entry
+	}
+
+	// 常规成绩页面格式：学年、学期、课程代码、课程名称、课程性质、课程类别、学分、成绩、绩点、...
+	if len(texts) >= 10 {
+		entry.Term = safeGet(texts, 1)
+		entry.Code = safeGet(texts, 2)
+		entry.Name = safeGet(texts, 3)
+		entry.Nature = safeGet(texts, 4)
+		entry.Category = safeGet(texts, 5)
+		entry.Credit = safeGet(texts, 6)
+		entry.Score = safeGet(texts, 7)
+		entry.GradePoint = safeGet(texts, 8)
+		return entry
+	}
+
+	entry.Term = safeGet(texts, 1)
+	entry.Code = safeGet(texts, 3)
+	entry.Name = safeGet(texts, 4)
+	entry.Credit = safeGet(texts, 7)
+	entry.Score = safeGet(texts, 8)
+	if len(texts) > 9 {
+		entry.GradePoint = safeGet(texts, 9)
+	}
+	return entry
+}
+
+func looksLikeDetailedGradeRow(texts []string) bool {
+	return safeGet(texts, 3) != "" && safeGet(texts, 4) != "" && safeGet(texts, 7) != "" && (safeGet(texts, 8) == "是" || safeGet(texts, 8) == "否")
+}
+
+func firstNonEmpty(values ...string) string {
+	for _, value := range values {
+		if strings.TrimSpace(value) != "" {
+			return value
+		}
+	}
+	return ""
+}
+
+// detectRetake 检测成绩行是否包含补考标记。
+// 教务系统在成绩单元格内以 <font color="#0066ff">补考</font> 标记补考，
+// 也会在整行文本中出现"补考"字样。
+func detectRetake(row *goquery.Selection) bool {
+	// 方式1：查找包含"补考"文字的 <font> 标签
+	if row.Find("font:contains('补考')").Length() > 0 {
+		return true
+	}
+	// 方式2：整行纯文本包含"补考"
+	rowText := strings.TrimSpace(row.Text())
+	return strings.Contains(rowText, "补考")
+}
+
 func getCellTexts(cells *goquery.Selection) []string {
 	var texts []string
 	cells.Each(func(_ int, cell *goquery.Selection) {

service/grades.go

@@ -78,6 +78,7 @@ func convertGrades(grades []models.GradeEntry) []*pb.Grade {
 			Score:      g.Score,
 			GradePoint: g.GradePoint,
 			IsExam:     g.IsExam,
+			IsRetake:   g.IsRetake,
 		})
 	}
 	return result

service/service.go

@@ -58,7 +58,7 @@ func (s *Service) setTWFIDCookie(httpClient *http.Client, baseURL, twfid string)
 	})
 }
 
-// login 执行登录流程，包含验证码识别与重试。
+// login 执行登录流程，验证码固定使用占位值 "...."。
 func (s *Service) login(ctx context.Context, httpClient *http.Client, username, password string) error {
 	log := slog.With("username", username)
 
@@ -75,13 +75,7 @@ func (s *Service) login(ctx context.Context, httpClient *http.Client, username,
 
 		log.Info("尝试登录", "attempt", attempt, "max_retries", maxLoginRetries)
 
-		captchaCode, err := captcha.GetAndRecognize(httpClient)
+		captchaCode := captcha.GetCaptchaCode()
-		if err != nil {
-			log.Warn("验证码获取失败", "error", err, "attempt", attempt)
-			time.Sleep(loginRetryInterval)
-			continue
-		}
-
 		success, err := auth.LoginWithClient(ctx, httpClient, captchaCode, username, password)
 		if err != nil {
 			log.Warn("登录请求失败", "error", err, "attempt", attempt)