diff --git a/cmd/gf/internal/cmd/cmd_z_unit_gen_ctrl_test.go b/cmd/gf/internal/cmd/cmd_z_unit_gen_ctrl_test.go
index cf77bc8dfd6..1270cc67427 100644
--- a/cmd/gf/internal/cmd/cmd_z_unit_gen_ctrl_test.go
+++ b/cmd/gf/internal/cmd/cmd_z_unit_gen_ctrl_test.go
@@ -83,56 +83,12 @@ func Test_Gen_Ctrl_Default(t *testing.T) {
 	})
 }
 
-// https://github.com/gogf/gf/issues/3460
-func Test_Gen_Ctrl_UseMerge_Issue3460(t *testing.T) {
-	gtest.C(t, func(t *gtest.T) {
-		var (
-			ctrlPath = gfile.Temp(guid.S())
-			//ctrlPath  = gtest.DataPath("issue", "3460", "controller")
-			apiFolder = gtest.DataPath("issue", "3460", "api")
-			in        = genctrl.CGenCtrlInput{
-				SrcFolder:     apiFolder,
-				DstFolder:     ctrlPath,
-				WatchFile:     "",
-				SdkPath:       "",
-				SdkStdVersion: false,
-				SdkNoV1:       false,
-				Clear:         false,
-				Merge:         true,
-			}
-		)
-
-		err := gfile.Mkdir(ctrlPath)
-		t.AssertNil(err)
-		defer gfile.Remove(ctrlPath)
-
-		_, err = genctrl.CGenCtrl{}.Ctrl(ctx, in)
-		t.AssertNil(err)
-
-		files, err := gfile.ScanDir(ctrlPath, "*.go", true)
-		t.AssertNil(err)
-		t.Assert(files, []string{
-			filepath.Join(ctrlPath, "/hello/hello.go"),
-			filepath.Join(ctrlPath, "/hello/hello_new.go"),
-			filepath.Join(ctrlPath, "/hello/hello_v1_req.go"),
-			filepath.Join(ctrlPath, "/hello/hello_v2_req.go"),
-		})
-
-		expectCtrlPath := gtest.DataPath("issue", "3460", "controller")
-		expectFiles := []string{
-			filepath.Join(expectCtrlPath, "/hello/hello.go"),
-			filepath.Join(expectCtrlPath, "/hello/hello_new.go"),
-			filepath.Join(expectCtrlPath, "/hello/hello_v1_req.go"),
-			filepath.Join(expectCtrlPath, "/hello/hello_v2_req.go"),
-		}
-
-		// Line Feed maybe \r\n or \n
-		for i, expectFile := range expectFiles {
-			val := gfile.GetContents(files[i])
-			expect := gfile.GetContents(expectFile)
-			t.Assert(val, expect)
-		}
-	})
+func expectFilesContent(t *gtest.T, paths []string, expectPaths []string) {
+	for i, expectFile := range expectPaths {
+		val := gfile.GetContents(paths[i])
+		expect := gfile.GetContents(expectFile)
+		t.Assert(val, expect)
+	}
 }
 
 // gf gen ctrl -m
@@ -300,20 +256,13 @@ type DictTypeAddRes struct {
 
 }
 
-func expectFilesContent(t *gtest.T, paths []string, expectPaths []string) {
-	for i, expectFile := range expectPaths {
-		val := gfile.GetContents(paths[i])
-		expect := gfile.GetContents(expectFile)
-		t.Assert(val, expect)
-	}
-}
-
-// https://github.com/gogf/gf/issues/3569
-func Test_Gen_Ctrl_Comments_Issue3569(t *testing.T) {
+// https://github.com/gogf/gf/issues/3460
+func Test_Gen_Ctrl_UseMerge_Issue3460(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		var (
-			ctrlPath  = gfile.Temp(guid.S())
-			apiFolder = gtest.DataPath("issue", "3569", "api")
+			ctrlPath = gfile.Temp(guid.S())
+			//ctrlPath  = gtest.DataPath("issue", "3460", "controller")
+			apiFolder = gtest.DataPath("issue", "3460", "api")
 			in        = genctrl.CGenCtrlInput{
 				SrcFolder:     apiFolder,
 				DstFolder:     ctrlPath,
@@ -326,22 +275,35 @@ func Test_Gen_Ctrl_Comments_Issue3569(t *testing.T) {
 			}
 		)
 
-		err := gutil.FillStructWithDefault(&in)
-		t.AssertNil(err)
-
-		err = gfile.Mkdir(ctrlPath)
+		err := gfile.Mkdir(ctrlPath)
 		t.AssertNil(err)
 		defer gfile.Remove(ctrlPath)
 
 		_, err = genctrl.CGenCtrl{}.Ctrl(ctx, in)
 		t.AssertNil(err)
 
-		//apiInterface file
-		var (
-			genApi       = apiFolder + filepath.FromSlash("/hello/hello.go")
-			genApiExpect = apiFolder + filepath.FromSlash("/hello/hello_expect.go")
-		)
-		defer gfile.Remove(genApi)
-		t.Assert(gfile.GetContents(genApi), gfile.GetContents(genApiExpect))
+		files, err := gfile.ScanDir(ctrlPath, "*.go", true)
+		t.AssertNil(err)
+		t.Assert(files, []string{
+			filepath.Join(ctrlPath, "/hello/hello.go"),
+			filepath.Join(ctrlPath, "/hello/hello_new.go"),
+			filepath.Join(ctrlPath, "/hello/hello_v1_req.go"),
+			filepath.Join(ctrlPath, "/hello/hello_v2_req.go"),
+		})
+
+		expectCtrlPath := gtest.DataPath("issue", "3460", "controller")
+		expectFiles := []string{
+			filepath.Join(expectCtrlPath, "/hello/hello.go"),
+			filepath.Join(expectCtrlPath, "/hello/hello_new.go"),
+			filepath.Join(expectCtrlPath, "/hello/hello_v1_req.go"),
+			filepath.Join(expectCtrlPath, "/hello/hello_v2_req.go"),
+		}
+
+		// Line Feed maybe \r\n or \n
+		for i, expectFile := range expectFiles {
+			val := gfile.GetContents(files[i])
+			expect := gfile.GetContents(expectFile)
+			t.Assert(val, expect)
+		}
 	})
 }
diff --git a/cmd/gf/internal/cmd/genctrl/genctrl_ast_parse.go b/cmd/gf/internal/cmd/genctrl/genctrl_ast_parse.go
new file mode 100644
index 00000000000..cf27089cb2f
--- /dev/null
+++ b/cmd/gf/internal/cmd/genctrl/genctrl_ast_parse.go
@@ -0,0 +1,78 @@
+// Copyright GoFrame gf Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package genctrl
+
+import (
+	"bytes"
+	"go/ast"
+	"go/parser"
+	"go/printer"
+	"go/token"
+
+	"github.com/gogf/gf/v2/os/gfile"
+	"github.com/gogf/gf/v2/text/gstr"
+)
+
+// getStructsNameInSrc retrieves all struct names
+// that end in "Req" and have "g.Meta" in their body.
+func (c CGenCtrl) getStructsNameInSrc(filePath string) (structsName []string, err error) {
+	var (
+		fileContent = gfile.GetContents(filePath)
+		fileSet     = token.NewFileSet()
+	)
+
+	node, err := parser.ParseFile(fileSet, "", fileContent, parser.ParseComments)
+	if err != nil {
+		return
+	}
+
+	ast.Inspect(node, func(n ast.Node) bool {
+		if typeSpec, ok := n.(*ast.TypeSpec); ok {
+			methodName := typeSpec.Name.Name
+			if !gstr.HasSuffix(methodName, "Req") {
+				// ignore struct name that do not end in "Req"
+				return true
+			}
+			if structType, ok := typeSpec.Type.(*ast.StructType); ok {
+				var buf bytes.Buffer
+				if err := printer.Fprint(&buf, fileSet, structType); err != nil {
+					return false
+				}
+				// ignore struct name that match a request, but has no g.Meta in its body.
+				if !gstr.Contains(buf.String(), `g.Meta`) {
+					return true
+				}
+				structsName = append(structsName, methodName)
+			}
+		}
+		return true
+	})
+
+	return
+}
+
+// getImportsInDst retrieves all import paths in the file.
+func (c CGenCtrl) getImportsInDst(filePath string) (imports []string, err error) {
+	var (
+		fileContent = gfile.GetContents(filePath)
+		fileSet     = token.NewFileSet()
+	)
+
+	node, err := parser.ParseFile(fileSet, "", fileContent, parser.ParseComments)
+	if err != nil {
+		return
+	}
+
+	ast.Inspect(node, func(n ast.Node) bool {
+		if imp, ok := n.(*ast.ImportSpec); ok {
+			imports = append(imports, imp.Path.Value)
+		}
+		return true
+	})
+
+	return
+}
diff --git a/cmd/gf/internal/cmd/genctrl/genctrl_ast_parse_clear.go b/cmd/gf/internal/cmd/genctrl/genctrl_ast_parse_clear.go
new file mode 100644
index 00000000000..a1bd7391b62
--- /dev/null
+++ b/cmd/gf/internal/cmd/genctrl/genctrl_ast_parse_clear.go
@@ -0,0 +1,43 @@
+// Copyright GoFrame gf Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package genctrl
+
+import (
+	"bytes"
+	"go/ast"
+	"go/parser"
+	"go/printer"
+	"go/token"
+
+	"github.com/gogf/gf/v2/os/gfile"
+)
+
+// getFuncInDst retrieves all function declarations and bodies in the file.
+func (c *controllerClearer) getFuncInDst(filePath string) (funcs []string, err error) {
+	var (
+		fileContent = gfile.GetContents(filePath)
+		fileSet     = token.NewFileSet()
+	)
+
+	node, err := parser.ParseFile(fileSet, "", fileContent, parser.ParseComments)
+	if err != nil {
+		return
+	}
+
+	ast.Inspect(node, func(n ast.Node) bool {
+		if fun, ok := n.(*ast.FuncDecl); ok {
+			var buf bytes.Buffer
+			if err := printer.Fprint(&buf, fileSet, fun); err != nil {
+				return false
+			}
+			funcs = append(funcs, buf.String())
+		}
+		return true
+	})
+
+	return
+}
diff --git a/cmd/gf/internal/cmd/genctrl/genctrl_calculate.go b/cmd/gf/internal/cmd/genctrl/genctrl_calculate.go
index f794559c980..3fb8825ade0 100644
--- a/cmd/gf/internal/cmd/genctrl/genctrl_calculate.go
+++ b/cmd/gf/internal/cmd/genctrl/genctrl_calculate.go
@@ -7,12 +7,6 @@
 package genctrl
 
 import (
-	"bytes"
-	"go/ast"
-	"go/parser"
-	"go/printer"
-	"go/token"
-
 	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
 	"github.com/gogf/gf/v2/os/gfile"
 	"github.com/gogf/gf/v2/text/gregex"
@@ -139,63 +133,3 @@ func (c CGenCtrl) getApiItemsInDst(dstFolder string) (items []apiItem, err error
 	}
 	return
 }
-
-// getStructsNameInSrc retrieves all struct names
-// that end in "Req" and have "g.Meta" in their body.
-func (c CGenCtrl) getStructsNameInSrc(filePath string) (structsName []string, err error) {
-	var (
-		fileContent = gfile.GetContents(filePath)
-		fileSet     = token.NewFileSet()
-	)
-
-	node, err := parser.ParseFile(fileSet, "", fileContent, parser.ParseComments)
-	if err != nil {
-		return
-	}
-
-	ast.Inspect(node, func(n ast.Node) bool {
-		if typeSpec, ok := n.(*ast.TypeSpec); ok {
-			methodName := typeSpec.Name.Name
-			if !gstr.HasSuffix(methodName, "Req") {
-				// ignore struct name that do not end in "Req"
-				return true
-			}
-			if structType, ok := typeSpec.Type.(*ast.StructType); ok {
-				var buf bytes.Buffer
-				if err := printer.Fprint(&buf, fileSet, structType); err != nil {
-					return false
-				}
-				// ignore struct name that match a request, but has no g.Meta in its body.
-				if !gstr.Contains(buf.String(), `g.Meta`) {
-					return true
-				}
-				structsName = append(structsName, methodName)
-			}
-		}
-		return true
-	})
-
-	return
-}
-
-// getImportsInDst retrieves all import paths in the file.
-func (c CGenCtrl) getImportsInDst(filePath string) (imports []string, err error) {
-	var (
-		fileContent = gfile.GetContents(filePath)
-		fileSet     = token.NewFileSet()
-	)
-
-	node, err := parser.ParseFile(fileSet, "", fileContent, parser.ParseComments)
-	if err != nil {
-		return
-	}
-
-	ast.Inspect(node, func(n ast.Node) bool {
-		if imp, ok := n.(*ast.ImportSpec); ok {
-			imports = append(imports, imp.Path.Value)
-		}
-		return true
-	})
-
-	return
-}
diff --git a/cmd/gf/internal/cmd/genctrl/genctrl_generate_ctrl_clear.go b/cmd/gf/internal/cmd/genctrl/genctrl_generate_ctrl_clear.go
index b419399e65a..73d562648b6 100644
--- a/cmd/gf/internal/cmd/genctrl/genctrl_generate_ctrl_clear.go
+++ b/cmd/gf/internal/cmd/genctrl/genctrl_generate_ctrl_clear.go
@@ -11,7 +11,6 @@ import (
 
 	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
 	"github.com/gogf/gf/v2/os/gfile"
-	"github.com/gogf/gf/v2/text/gregex"
 	"github.com/gogf/gf/v2/text/gstr"
 )
 
@@ -36,17 +35,16 @@ func (c *controllerClearer) doClear(dstModuleFolderPath string, item apiItem) (e
 		methodFilePath  = gfile.Join(dstModuleFolderPath, fmt.Sprintf(
 			`%s_%s_%s.go`, item.Module, item.Version, methodNameSnake,
 		))
-		fileContent = gstr.Trim(gfile.GetContents(methodFilePath))
 	)
-	// retrieve it without using AST, because it's simple.
-	match, err := gregex.MatchString(`.+?Req.+?Res.+?{([\s\S]+?)}`, fileContent)
+
+	funcs, err := c.getFuncInDst(methodFilePath)
 	if err != nil {
 		return err
 	}
-	if len(match) > 1 {
-		implements := gstr.Trim(match[1])
+
+	if len(funcs) > 1 {
 		// One line.
-		if !gstr.Contains(implements, "\n") && gstr.Contains(implements, `CodeNotImplemented`) {
+		if !gstr.Contains(funcs[0], "\n") && gstr.Contains(funcs[0], `CodeNotImplemented`) {
 			mlog.Printf(
 				`remove unimplemented and of no api definitions controller file: %s`,
 				methodFilePath,
diff --git a/cmd/gf/internal/cmd/testdata/genctrl/api/article/v2/edit.go b/cmd/gf/internal/cmd/testdata/genctrl/api/article/v2/edit.go
index 8e8267a578e..2ae20696361 100644
--- a/cmd/gf/internal/cmd/testdata/genctrl/api/article/v2/edit.go
+++ b/cmd/gf/internal/cmd/testdata/genctrl/api/article/v2/edit.go
@@ -21,3 +21,11 @@ type UpdateReq struct {
 }
 
 type UpdateRes struct{}
+
+//type GetListReq struct {
+//	g.Meta `path:"/article/list" method:"get" tags:"ArticleService"`
+//}
+//
+//type GetListRes struct {
+//	list []struct{}
+//}
diff --git a/cmd/gf/internal/cmd/testdata/issue/3569/api/hello/hello_expect.go b/cmd/gf/internal/cmd/testdata/issue/3569/api/hello/hello_expect.go
deleted file mode 100644
index 745910243de..00000000000
--- a/cmd/gf/internal/cmd/testdata/issue/3569/api/hello/hello_expect.go
+++ /dev/null
@@ -1,15 +0,0 @@
-// =================================================================================
-// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
-// =================================================================================
-
-package hello
-
-import (
-	"context"
-
-	"github.com/gogf/gf/cmd/gf/v2/internal/cmd/testdata/issue/3569/api/hello/v1"
-)
-
-type IHelloV1 interface {
-	Hello(ctx context.Context, req *v1.HelloReq) (res *v1.HelloRes, err error)
-}
diff --git a/cmd/gf/internal/cmd/testdata/issue/3569/api/hello/v1/req.go b/cmd/gf/internal/cmd/testdata/issue/3569/api/hello/v1/req.go
deleted file mode 100644
index 97d74123f95..00000000000
--- a/cmd/gf/internal/cmd/testdata/issue/3569/api/hello/v1/req.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package v1
-
-import "github.com/gogf/gf/v2/frame/g"
-
-type HelloReq struct {
-	g.Meta `path:"/hello" tags:"Hello" method:"get" summary:"api-Hello"`
-}
-type HelloRes struct {
-	g.Meta `mime:"text/html" example:"string"`
-}
-
-// type Hello2Req struct {
-//	g.Meta `path:"/hello2" tags:"Hello" method:"get" summary:"api-Hello2"`
-// }
-// type Hello2Res struct {
-//	g.Meta `mime:"text/html" example:"string"`
-// }
-
-//type Hello3Req struct {
-//	g.Meta   `path:"/hello3" tags:"Hello" method:"get" summary:"api-Hello3"`
-//	PodState consts.PodPhase
-//}
-//type Hello3Res struct {
-//}