diff --git a/cmd/platform/ioc/llm.go b/cmd/platform/ioc/llm.go
index 7a004a0..d83b9e0 100644
--- a/cmd/platform/ioc/llm.go
+++ b/cmd/platform/ioc/llm.go
@@ -45,9 +45,10 @@ func InitFunctionCallRegistry(
 	askUser *fcall.AskUserFunctionCall,
 	emitJSON *fcall.EmitJsonFunctionCall,
 	invokeLLM *fcall.InvokeLLMFuncCall,
+	genDocs *fcall.GenDocFunctionCall,
 ) *fcall.Registry {
 	registry := fcall.NewFunctionCallRegistry()
-	fcs := []fcall.FunctionCall{askUser, emitJSON, invokeLLM}
+	fcs := []fcall.FunctionCall{askUser, emitJSON, invokeLLM, genDocs}
 	for i := range fcs {
 		err := registry.Register(fcs[i])
 		if err != nil {
diff --git a/cmd/platform/ioc/type.go b/cmd/platform/ioc/type.go
index 74cad70..0a022e5 100644
--- a/cmd/platform/ioc/type.go
+++ b/cmd/platform/ioc/type.go
@@ -72,6 +72,7 @@ var (
 		fcall.NewInvokeLLMFuncCall,
 		fcall.NewEmitJsonFunctionCall,
 		fcall.NewAskUserFunctionCall,
+		fcall.NewGenDocFunctionCall,
 		InitFunctionCallRegistry,
 	)
 
diff --git a/cmd/platform/ioc/wire_gen.go b/cmd/platform/ioc/wire_gen.go
index 7a19008..c0f05c8 100644
--- a/cmd/platform/ioc/wire_gen.go
+++ b/cmd/platform/ioc/wire_gen.go
@@ -30,7 +30,8 @@ func InitApp() *App {
 	emitJsonFunctionCall := fcall.NewEmitJsonFunctionCall()
 	defaultRender := InitRender()
 	invokeLLMFuncCall := fcall.NewInvokeLLMFuncCall(invocationConfigRepo, defaultRender)
-	registry := InitFunctionCallRegistry(askUserFunctionCall, emitJsonFunctionCall, invokeLLMFuncCall)
+	genDocFunctionCall := fcall.NewGenDocFunctionCall()
+	registry := InitFunctionCallRegistry(askUserFunctionCall, emitJsonFunctionCall, invokeLLMFuncCall, genDocFunctionCall)
 	handler := InitLLMHandler(registry)
 	quotaDao := dao.NewQuotaDao(db)
 	quotaRepo := repository.NewQuotaRepo(quotaDao)
diff --git a/internal/service/llm/fcall/fcall_gen_doc.go b/internal/service/llm/fcall/fcall_gen_doc.go
new file mode 100644
index 0000000..32af46c
--- /dev/null
+++ b/internal/service/llm/fcall/fcall_gen_doc.go
@@ -0,0 +1,51 @@
+package fcall
+
+import (
+	"github.com/goccy/go-json"
+)
+
+type GenDocFunctionCall struct{}
+
+func NewGenDocFunctionCall() *GenDocFunctionCall {
+	return &GenDocFunctionCall{}
+}
+
+func (e *GenDocFunctionCall) Name() string {
+	return NameGenDoc
+}
+
+const jsonDataNameDocs = "doc"
+
+func (e *GenDocFunctionCall) Call(ctx *Context, req Request) (Response, error) {
+	d, err := req.GetArg(jsonDataNameDocs)
+	if err != nil {
+		return Response{}, err
+	}
+	var doc Doc
+	err = json.Unmarshal([]byte(d), &doc)
+	if err != nil {
+		return Response{}, err
+	}
+	var content string
+	switch doc.Type {
+	case DocMarkDown:
+		content = doc.Content
+	case DocPDF:
+		//todo: 将对应的 markdown 格式渲染成为对应的 pdf
+	default:
+	}
+	ctx.SetAttachment(e.Name(), content)
+	return Response{}, nil
+}
+
+type Doc struct {
+	Content string  `json:"content"`
+	Type    DocType `json:"type"`
+}
+
+type DocType string
+
+const (
+	DocMarkDown = "markdown"
+	DocPDF      = "pdf"
+)
diff --git a/internal/service/llm/fcall/type.go b/internal/service/llm/fcall/type.go
index 238f6c5..a6e82da 100644
--- a/internal/service/llm/fcall/type.go
+++ b/internal/service/llm/fcall/type.go
@@ -15,6 +15,7 @@ const (
 	NameAskUser   = "ask_user"
 	NameEmitJSON  = "emit_json"
 	NameInvokeLLM = "invoke_llm"
+	NameGenDoc    = "gen_doc"
 )
 
 //go:generate mockgen -source=./type.go -package=mocks -destination=./mocks/fcall.mock.go -typed FunctionCall
diff --git a/internal/test/chat_test.go b/internal/test/chat_test.go
index 51ec02e..aef6253 100644
--- a/internal/test/chat_test.go
+++ b/internal/test/chat_test.go
@@ -34,6 +34,8 @@ var (
 	emitJSON string
 	//go:embed testdata/invoke_llm.json
 	invokeLLMJSON string
+	//go:embed testdata/gen_doc.json
+	genDocJSON string
 	//go:embed testdata/resume_json_schema.json
 	resumeJSONSchema string
 	//go:embed testdata/resume_xiaoming.md
@@ -83,6 +85,7 @@ func (s *ChatTestSuite) SetupSuite() {
 		fcall.NewAskUserFunctionCall(),
 		fcall.NewEmitJsonFunctionCall(),
 		invokeLLMCall,
+		fcall.NewGenDocFunctionCall(),
 	)
 
 	s.client = openai.NewClient(
@@ -178,7 +181,7 @@ func (s *ChatTestSuite) TestUnmarshalFunctionToolParam() {
 	t := s.T()
 	t.Skip("测试定义的Function Definition是否能够被正确反序列化")
 	var p responses.FunctionToolParam
-	for _, str := range []string{askUserJSON, emitJSON, invokeLLMJSON} {
+	for _, str := range []string{askUserJSON, emitJSON, invokeLLMJSON, genDocJSON} {
 		// t.Logf("json_str: %s\n", str)
 		err := json.Unmarshal([]byte(str), &p)
 		require.NoError(t, err)
@@ -704,6 +707,10 @@ func (s *ChatTestSuite) TestChatService_Stream() {
 							Name:       fcall.NameInvokeLLM,
 							Definition: invokeLLMJSON,
 						},
+						{
+							Name:       fcall.NameGenDoc,
+							Definition: genDocJSON,
+						},
 					},
 					Temperature: 0,
 					TopP:        0,
diff --git a/internal/test/ioc/wire_gen.go b/internal/test/ioc/wire_gen.go
index 3576ca2..effd03f 100644
--- a/internal/test/ioc/wire_gen.go
+++ b/internal/test/ioc/wire_gen.go
@@ -53,7 +53,8 @@ func InitApp(to TestOnly) *TestApp {
 	invokeLLMFuncCall := fcall.NewInvokeLLMFuncCall(invocationConfigRepo, defaultRender)
 	askUserFunctionCall := fcall.NewAskUserFunctionCall()
 	emitJsonFunctionCall := fcall.NewEmitJsonFunctionCall()
-	registry := ioc.InitFunctionCallRegistry(askUserFunctionCall, emitJsonFunctionCall, invokeLLMFuncCall)
+	genDocFunctionCall := fcall.NewGenDocFunctionCall()
+	registry := ioc.InitFunctionCallRegistry(askUserFunctionCall, emitJsonFunctionCall, invokeLLMFuncCall, genDocFunctionCall)
 	testApp := &TestApp{
 		GrpcSever:         component,
 		GinServer:         eginComponent,
diff --git a/internal/test/testdata/gen_doc.json b/internal/test/testdata/gen_doc.json
new file mode 100644
index 0000000..5a2c05f
--- /dev/null
+++ b/internal/test/testdata/gen_doc.json
@@ -0,0 +1,28 @@
+{
+  "type": "function",
+  "name": "gen_doc",
+  "description": "根据输入的内容生成对应的格式化文档",
+  "strict": true,
+  "parameters": {
+    "type": "object",
+    "properties": {
+      "doc": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "description": "文档类型 比如markdown"
+          },
+          "content": {
+            "type": "string",
+            "description": "文档的具体内容"
+          }
+        },
+        "required": ["type", "content"],
+        "additionalProperties": false
+      }
+    },
+    "required": ["doc"],
+    "additionalProperties": false
+  }
+}
\ No newline at end of file