diff --git a/cmd/clean/main.go b/cmd/clean/main.go
index ef362ad..49a906c 100644
--- a/cmd/clean/main.go
+++ b/cmd/clean/main.go
@@ -50,10 +50,10 @@ func clearDB() {
 	err := db.Migrator().DropTable(
 		&user_model.User{},
 		&problem_model.Problem{},
-		&problem_model.AlgorithmTag{},
+		&problem_model.ProblemTag{},
 		&judge_model.Judge{},
 		&judge_model.JudgeResult{},
-		"problem_algorithm_tags",
+		"problem_problem_tags",
 		"casbin_rule",
 	)
 
diff --git a/cmd/init/problem_package.go b/cmd/init/problem_package.go
index 8db48ba..f59a1c1 100644
--- a/cmd/init/problem_package.go
+++ b/cmd/init/problem_package.go
@@ -78,7 +78,7 @@ func loadProblemPackages(ctx context.Context) {
 				Slug:        slug,
 				Title:       title,
 				Description: &description,
-				Tags: []*problem_model.AlgorithmTag{
+				Tags: []*problem_model.ProblemTag{
 					{Name: "to-be-add"},
 				},
 			})
diff --git a/go.mod b/go.mod
index 45c9b00..383e202 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,10 @@ require (
 	gorm.io/gorm v1.25.10
 )
 
-require github.com/stretchr/testify v1.9.0
+require (
+	github.com/stretchr/testify v1.9.0
+	github.com/swaggo/swag v1.16.3
+)
 
 require (
 	github.com/ClickHouse/ch-go v0.61.5 // indirect
@@ -41,7 +44,6 @@ require (
 	github.com/segmentio/asm v1.2.0 // indirect
 	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/swaggo/swag v1.16.3 // indirect
 	go.opentelemetry.io/otel v1.26.0 // indirect
 	go.opentelemetry.io/otel/trace v1.26.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
diff --git a/models/problem/problem.go b/models/problem/problem.go
index 6b67dea..42564dc 100644
--- a/models/problem/problem.go
+++ b/models/problem/problem.go
@@ -4,16 +4,17 @@ import "github.com/oj-lab/oj-lab-platform/models"
 
 type Problem struct {
 	models.MetaFields
-	Slug        string          `json:"slug" gorm:"primaryKey"`
-	Title       string          `json:"title" gorm:"not null"`
-	Description *string         `json:"description,omitempty"`
-	Tags        []*AlgorithmTag `json:"tags" gorm:"many2many:problem_algorithm_tags;"`
+	Slug        string        `json:"slug" gorm:"primaryKey"`
+	Title       string        `json:"title" gorm:"not null"`
+	Description *string       `json:"description,omitempty"`
+	Tags        []*ProblemTag `json:"tags" gorm:"many2many:problem_problem_tags;"`
+	Solved      bool          `json:"solved,omitempty" gorm:"-"`
 }
 
-type AlgorithmTag struct {
+type ProblemTag struct {
 	models.MetaFields
 	Name     string     `json:"name" gorm:"primaryKey"`
-	Problems []*Problem `json:"problems,omitempty" gorm:"many2many:problem_algorithm_tags;"`
+	Problems []*Problem `json:"problems,omitempty" gorm:"many2many:problem_problem_tags;"`
 }
 
 var ProblemInfoSelection = append([]string{"slug", "title"}, models.MetaFieldsSelection...)
diff --git a/models/problem/problem_db.go b/models/problem/problem_db.go
index 1161557..d74f229 100644
--- a/models/problem/problem_db.go
+++ b/models/problem/problem_db.go
@@ -35,7 +35,7 @@ type GetProblemOptions struct {
 	Selection []string
 	Slug      *string
 	Title     *string
-	Tags      []*AlgorithmTag
+	Tags      []*ProblemTag
 	Offset    *int
 	Limit     *int
 }
@@ -51,8 +51,8 @@ func buildGetProblemTXByOptions(tx *gorm.DB, options GetProblemOptions, isCount
 	}
 	if len(tagsList) > 0 {
 		tx = tx.
-			Joins("JOIN problem_algorithm_tags ON problem_algorithm_tags.problem_slug = problems.slug").
-			Where("problem_algorithm_tags.algorithm_tag_name in ?", tagsList)
+			Joins("JOIN problem_problem_tags ON problem_problem_tags.problem_slug = problems.slug").
+			Where("problem_problem_tags.problem_tag_name in ?", tagsList)
 	}
 	if options.Slug != nil {
 		tx = tx.Where("slug = ?", *options.Slug)
diff --git a/models/problem/problem_test.go b/models/problem/problem_test.go
index c2ee8e7..fa4d3f1 100644
--- a/models/problem/problem_test.go
+++ b/models/problem/problem_test.go
@@ -15,7 +15,7 @@ func TestProblemDB(t *testing.T) {
 		Slug:        "a-plus-b-problem",
 		Title:       "A+B Problem",
 		Description: &description,
-		Tags:        []*AlgorithmTag{{Name: "tag1"}, {Name: "tag2"}},
+		Tags:        []*ProblemTag{{Name: "tag1"}, {Name: "tag2"}},
 	}
 
 	err := CreateProblem(db, problem)
@@ -36,7 +36,7 @@ func TestProblemDB(t *testing.T) {
 
 	problemOption := GetProblemOptions{
 		Selection: ProblemInfoSelection,
-		Tags:      []*AlgorithmTag{{Name: "tag1"}},
+		Tags:      []*ProblemTag{{Name: "tag1"}},
 		Slug:      &problem.Slug,
 	}