diff --git a/entities/field.go b/entities/field.go
index c4d515a..6368da7 100644
--- a/entities/field.go
+++ b/entities/field.go
@@ -12,7 +12,7 @@ type Field struct {
 	Medatada []Metadata
 }
 
-var PRIMITIVE_TYPES = map[string]string{
+var PrimitiveTypes = map[string]string{
 	"date":     "date",
 	"number":   "number",
 	"string":   "string",
@@ -38,15 +38,15 @@ var PRIMITIVE_TYPES = map[string]string{
 func (f *Field) GenerateType() string {
 	result := "  type: {\n"
 
-	keys := make([]string, 0, len(PRIMITIVE_TYPES))
-	for k := range PRIMITIVE_TYPES {
+	keys := make([]string, 0, len(PrimitiveTypes))
+	for k := range PrimitiveTypes {
 		keys = append(keys, k)
 	}
 
 	if slices.Contains(keys, strings.ToLower(f.Type)) {
-		result += fmt.Sprintf(`    primitive: "%s",`, PRIMITIVE_TYPES[strings.ToLower(f.Type)])
+		result += fmt.Sprintf(`    primitive: "%s",`, PrimitiveTypes[strings.ToLower(f.Type)])
 	} else {
-		var field string = "[]"
+		var field = "[]"
 		for _, meta := range f.Medatada {
 			if meta.Name == "field" {
 				if len(meta.Values) > 0 {
diff --git a/generation/service.go b/generation/service.go
index bc6dad2..b758f5a 100644
--- a/generation/service.go
+++ b/generation/service.go
@@ -2,6 +2,7 @@ package generation
 
 import (
 	"fmt"
+	"log"
 	"nto_cli/utils"
 	"os"
 	"strings"
@@ -20,11 +21,11 @@ import type { IService } from "%s"
 	
 export default class %sService implements IService<%s> {
 	async read(id: number) {
-		return await GetById(id)
+		return await GetById(id) as %s
 	}
 
 	async readAll() {
-		return await GetAll() as %s
+		return await GetAll() as %s[]
 	}
 
 	async create(item: %s) {
@@ -33,16 +34,18 @@ export default class %sService implements IService<%s> {
 
 	async delete(id: number) {
 		return await Delete(id)
-	}	
+	}
+
 	async update(item: %s) {
 		await Update(item)
 	}
+
 	async count() {
 		return await Count()
 	}
 }
-`, utils.GetServiceBindPath(structName), structName, utils.GetServiceStructType(structName), utils.GetServiceType(), structName, structName, structName, structName))
+`, utils.GetServiceBindPath(structName), structName, utils.GetServiceStructType(structName), utils.GetServiceType(), structName, structName, structName, structName, structName, structName))
 	if err != nil {
-		panic(err)
+		log.Fatalf("Failed to write to file: %s", err)
 	}
 }
diff --git a/nto_cli b/nto_cli
deleted file mode 100755
index 201a795..0000000
Binary files a/nto_cli and /dev/null differ
diff --git a/utils/find_frontend_path.go b/utils/find_frontend_path.go
index 73564ab..c424137 100644
--- a/utils/find_frontend_path.go
+++ b/utils/find_frontend_path.go
@@ -9,7 +9,7 @@ import (
 func FindFrontendPath() string {
 	currentPath, err := os.Getwd()
 	if err != nil {
-		panic(err)
+		log.Fatalf("Failed to find path for frontend: %s", err)
 	}
 
 	var dirs []string
diff --git a/utils/get_structs_list.go b/utils/get_structs_list.go
index b53ab4e..73b702d 100644
--- a/utils/get_structs_list.go
+++ b/utils/get_structs_list.go
@@ -29,7 +29,7 @@ func GetStructList(filePath string) []string {
 	}
 
 	if s.Err() != nil {
-		log.Fatalf("")
+		log.Fatalf("Unexpected scanner error: %s", err)
 	}
 
 	return structNames
diff --git a/utils/imports.go b/utils/imports.go
index fad99d1..f34a7b1 100644
--- a/utils/imports.go
+++ b/utils/imports.go
@@ -18,4 +18,4 @@ func GetServiceStructType(structName string) string {
 func GetServiceType() string {
 	path := "../types/service.type.ts"
 	return path
-}
\ No newline at end of file
+}
diff --git a/utils/split_by_single_space.go b/utils/split_by_single_space.go
index f5d3c0f..6ae883a 100644
--- a/utils/split_by_single_space.go
+++ b/utils/split_by_single_space.go
@@ -3,12 +3,12 @@ package utils
 import "strings"
 
 func SplitBySingleSpace(input string) []string {
-    parts := strings.Split(strings.TrimSpace(input), " ")
-    var result []string
-    for _, p := range parts {
-        if p != "" {
-            result = append(result, p)
-        }
-    }
-    return result
-}
\ No newline at end of file
+	parts := strings.Split(strings.TrimSpace(input), " ")
+	var result []string
+	for _, p := range parts {
+		if p != "" {
+			result = append(result, p)
+		}
+	}
+	return result
+}