diff --git a/generate.go b/generate.go
index 750a1a7..6eec832 100644
--- a/generate.go
+++ b/generate.go
@@ -36,10 +36,10 @@ func NewOpenapiDoc() *Generate {
 				},
 				Version: "",
 			},
-			Servers:    nil,
-			Components: nil,
-			Tags:       nil,
-			Paths:      nil,
+			Servers:    make([]*define.ServerItem, 0),
+			Components: &define.Components{Schemas: map[string]*define.Schema{}},
+			Tags:       make([]*define.TagItem, 0),
+			Paths:      make(map[string]*define.PathConfig),
 		},
 	}
 }
@@ -52,3 +52,31 @@ func NewOpenapiDoc() *Generate {
 type Generate struct {
 	docData *define.OpenapiDoc
 }
+
+// AddTag 新增tag
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 14:23 2024/8/14
+func (g *Generate) AddTag(tagName string, tagDesc string) {
+	isHasTag := false
+	for _, item := range g.docData.Tags {
+		if item.Name == tagName {
+			if len(tagDesc) > 0 {
+				item.Description = tagDesc
+			}
+			isHasTag = true
+			break
+		}
+	}
+	if !isHasTag {
+		g.docData.Tags = append(g.docData.Tags, &define.TagItem{
+			Name:        tagName,
+			Description: tagDesc,
+		})
+	}
+}
+
+func (g *Generate) AddApi() {
+
+}