diff --git a/cmd/gf/internal/cmd/cmd_z_unit_gen_pbentity_test.go b/cmd/gf/internal/cmd/cmd_z_unit_gen_pbentity_test.go
index 1946e91d9..4a105697d 100644
--- a/cmd/gf/internal/cmd/cmd_z_unit_gen_pbentity_test.go
+++ b/cmd/gf/internal/cmd/cmd_z_unit_gen_pbentity_test.go
@@ -144,3 +144,67 @@ func Test_Gen_Pbentity_NameCase_SnakeScreaming(t *testing.T) {
 		}
 	})
 }
+
+// https://github.com/gogf/gf/issues/3545
+func Test_Issue_3545(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		var (
+			err        error
+			db         = testDB
+			table      = "table_user"
+			sqlContent = fmt.Sprintf(
+				gtest.DataContent(`genpbentity`, `user.tpl.sql`),
+				table,
+			)
+		)
+		dropTableWithDb(db, table)
+		array := gstr.SplitAndTrim(sqlContent, ";")
+		for _, v := range array {
+			if _, err = db.Exec(ctx, v); err != nil {
+				t.AssertNil(err)
+			}
+		}
+		defer dropTableWithDb(db, table)
+
+		var (
+			path = gfile.Temp(guid.S())
+			in   = genpbentity.CGenPbEntityInput{
+				Path:              path,
+				Package:           "",
+				Link:              link,
+				Tables:            "",
+				Prefix:            "",
+				RemovePrefix:      "",
+				RemoveFieldPrefix: "",
+				NameCase:          "",
+				JsonCase:          "",
+				Option:            "",
+			}
+		)
+		err = gutil.FillStructWithDefault(&in)
+		t.AssertNil(err)
+
+		err = gfile.Mkdir(path)
+		t.AssertNil(err)
+		defer gfile.Remove(path)
+
+		_, err = genpbentity.CGenPbEntity{}.PbEntity(ctx, in)
+		t.AssertNil(err)
+
+		// files
+		files, err := gfile.ScanDir(path, "*.proto", false)
+		t.AssertNil(err)
+		t.Assert(files, []string{
+			path + filepath.FromSlash("/table_user.proto"),
+		})
+
+		// contents
+		testPath := gtest.DataPath("issue", "3545")
+		expectFiles := []string{
+			testPath + filepath.FromSlash("/table_user.proto"),
+		}
+		for i := range files {
+			t.Assert(gfile.GetContents(files[i]), gfile.GetContents(expectFiles[i]))
+		}
+	})
+}
diff --git a/cmd/gf/internal/cmd/genpbentity/genpbentity.go b/cmd/gf/internal/cmd/genpbentity/genpbentity.go
index 1263ac1e2..0c375593d 100644
--- a/cmd/gf/internal/cmd/genpbentity/genpbentity.go
+++ b/cmd/gf/internal/cmd/genpbentity/genpbentity.go
@@ -13,6 +13,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
 	"github.com/olekukonko/tablewriter"
 
 	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
@@ -176,20 +177,8 @@ func doGenPbEntityForArray(ctx context.Context, index int, in CGenPbEntityInput)
 	}
 	if in.Package == "" {
 		mlog.Debug(`package parameter is empty, trying calculating the package path using go.mod`)
-		if !gfile.Exists("go.mod") {
-			mlog.Fatal("go.mod does not exist in current working directory")
-		}
-		var (
-			modName      string
-			goModContent = gfile.GetContents("go.mod")
-			match, _     = gregex.MatchString(`^module\s+(.+)\s*`, goModContent)
-		)
-		if len(match) > 1 {
-			modName = gstr.Trim(match[1])
-			in.Package = modName + "/" + defaultPackageSuffix
-		} else {
-			mlog.Fatal("module name does not found in go.mod")
-		}
+		modName := utils.GetImportPath(gfile.Pwd())
+		in.Package = modName + "/" + defaultPackageSuffix
 	}
 	removePrefixArray := gstr.SplitAndTrim(in.RemovePrefix, ",")
 	// It uses user passed database configuration.
diff --git a/cmd/gf/internal/cmd/testdata/issue/3545/table_user.proto b/cmd/gf/internal/cmd/testdata/issue/3545/table_user.proto
new file mode 100644
index 000000000..6282f3a61
--- /dev/null
+++ b/cmd/gf/internal/cmd/testdata/issue/3545/table_user.proto
@@ -0,0 +1,21 @@
+// ==========================================================================
+// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
+// ==========================================================================
+
+syntax = "proto3";
+
+package pbentity;
+
+option go_package = "github.com/gogf/gf/cmd/gf/v2/internal/cmd/api/pbentity";
+
+import "google/protobuf/timestamp.proto";
+
+message TableUser {
+    uint32                    Id       = 1; // User ID              
+    string                    Passport = 2; // User Passport        
+    string                    Password = 3; // User Password        
+    string                    Nickname = 4; // User Nickname        
+    string                    Score    = 5; // Total score amount.  
+    google.protobuf.Timestamp CreateAt = 6; // Created Time         
+    google.protobuf.Timestamp UpdateAt = 7; // Updated Time         
+}
\ No newline at end of file