diff --git a/docs/docs.go b/docs/docs.go
index 51596b91..e7df3ce0 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -4961,12 +4961,9 @@ const docTemplate = `{
                     "description": "Search page size",
                     "type": "integer"
                 },
-                "tags": {
-                    "description": "Search tag",
-                    "type": "array",
-                    "items": {
-                        "type": "string"
-                    }
+                "tag": {
+                    "description": "Tags     []string ` + "`" + `json:\"tags\" form:\"tags\"` + "`" + `           //Search tag",
+                    "type": "string"
                 },
                 "username": {
                     "description": "Search username",
diff --git a/docs/swagger.json b/docs/swagger.json
index bd08e554..1063944b 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -4949,12 +4949,9 @@
                     "description": "Search page size",
                     "type": "integer"
                 },
-                "tags": {
-                    "description": "Search tag",
-                    "type": "array",
-                    "items": {
-                        "type": "string"
-                    }
+                "tag": {
+                    "description": "Tags     []string `json:\"tags\" form:\"tags\"`           //Search tag",
+                    "type": "string"
                 },
                 "username": {
                     "description": "Search username",
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index cf6bcd49..bde9a77d 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -762,11 +762,10 @@ definitions:
       page_size:
         description: Search page size
         type: integer
-      tags:
-        description: Search tag
-        items:
-          type: string
-        type: array
+      tag:
+        description: Tags     []string `json:"tags" form:"tags"`           //Search
+          tag
+        type: string
       username:
         description: Search username
         type: string
diff --git a/internal/schema/question_schema.go b/internal/schema/question_schema.go
index a619c454..5bd3b4c1 100644
--- a/internal/schema/question_schema.go
+++ b/internal/schema/question_schema.go
@@ -156,12 +156,13 @@ type UserQuestionInfo struct {
 }
 
 type QuestionSearch struct {
-	Page     int      `json:"page" form:"page"`           //Query number of pages
-	PageSize int      `json:"page_size" form:"page_size"` //Search page size
-	Order    string   `json:"order" form:"order"`         //Search order by
-	Tags     []string `json:"tags" form:"tags"`           //Search tag
-	TagIDs   []string `json:"-" form:"-"`                 //Search tag
-	UserName string   `json:"username" form:"username"`   //Search username
+	Page     int    `json:"page" form:"page"`           //Query number of pages
+	PageSize int    `json:"page_size" form:"page_size"` //Search page size
+	Order    string `json:"order" form:"order"`         //Search order by
+	//Tags     []string `json:"tags" form:"tags"`           //Search tag
+	Tag      string   `json:"tag" form:"tag"`           //Search tag
+	TagIDs   []string `json:"-" form:"-"`               //Search tag
+	UserName string   `json:"username" form:"username"` //Search username
 	UserID   string   `json:"-" form:"-"`
 }
 
diff --git a/internal/service/question_service.go b/internal/service/question_service.go
index 88178654..8aa59898 100644
--- a/internal/service/question_service.go
+++ b/internal/service/question_service.go
@@ -481,20 +481,23 @@ func (qs *QuestionService) SimilarQuestion(ctx context.Context, questionID strin
 	search.Order = "frequent"
 	search.Page = 0
 	search.PageSize = 6
-	search.Tags = tagNames
+	if len(tagNames) > 0 {
+		search.Tag = tagNames[0]
+	}
 	return qs.SearchList(ctx, search, loginUserID)
 }
 
 // SearchList
 func (qs *QuestionService) SearchList(ctx context.Context, req *schema.QuestionSearch, loginUserID string) ([]*schema.QuestionInfo, int64, error) {
-	if len(req.Tags) > 0 {
-		taginfo, err := qs.tagCommon.GetTagListByNames(ctx, req.Tags)
+	if len(req.Tag) > 0 {
+		taginfo, has, err := qs.tagCommon.GetTagListByName(ctx, req.Tag)
 		if err != nil {
 			log.Error("tagCommon.GetTagListByNames error", err)
 		}
-		for _, tag := range taginfo {
-			req.TagIDs = append(req.TagIDs, tag.ID)
+		if has {
+			req.TagIDs = append(req.TagIDs, taginfo.ID)
 		}
+
 	}
 	list := make([]*schema.QuestionInfo, 0)
 	if req.UserName != "" {