diff --git a/cmd/file.go b/cmd/file.go
index 92379210..5434697a 100644
--- a/cmd/file.go
+++ b/cmd/file.go
@@ -148,9 +148,7 @@ var fileCmd = &cobra.Command{
 
 				ff, err := voltFile.ReadLinesOrLiteral(args[0])
 				_ = err
-				for _, target := range ff {
-					targets = append(targets, target)
-				}
+				targets = append(targets, ff...)
 
 				// Remove Deplicated value
 				targets = voltUtils.UniqueStringSlice(targets)
diff --git a/lib/func.go b/lib/func.go
index 1d9b0ef0..fa35dd13 100644
--- a/lib/func.go
+++ b/lib/func.go
@@ -67,9 +67,7 @@ func Initialize(target Target, options Options) model.Options {
 		OutputResponse:    false,
 	}
 	if len(options.UniqParam) > 0 {
-		for _, v := range options.UniqParam {
-			newOptions.UniqParam = append(newOptions.UniqParam, v)
-		}
+		newOptions.UniqParam = append(newOptions.UniqParam, options.UniqParam...)
 	}
 	if target.Method != "" {
 		newOptions.Method = target.Method
@@ -78,9 +76,7 @@ func Initialize(target Target, options Options) model.Options {
 		newOptions.Cookie = options.Cookie
 	}
 	if len(options.Header) > 0 {
-		for _, v := range options.Header {
-			newOptions.Header = append(newOptions.Header, v)
-		}
+		newOptions.Header = append(newOptions.Header, options.Header...)
 	}
 	if options.BlindURL != "" {
 		newOptions.BlindURL = options.BlindURL
@@ -107,9 +103,7 @@ func Initialize(target Target, options Options) model.Options {
 		newOptions.IgnoreReturn = options.IgnoreReturn
 	}
 	if len(options.IgnoreParams) > 0 {
-		for _, v := range options.IgnoreParams {
-			newOptions.IgnoreParams = append(newOptions.IgnoreParams, v)
-		}
+		newOptions.IgnoreParams = append(newOptions.IgnoreParams, options.IgnoreParams...)
 	}
 	if options.Trigger != "" {
 		newOptions.Trigger = options.Trigger
diff --git a/pkg/optimization/abstraction.go b/pkg/optimization/abstraction.go
index a7c214a7..aef1cc29 100644
--- a/pkg/optimization/abstraction.go
+++ b/pkg/optimization/abstraction.go
@@ -137,9 +137,7 @@ func FindIndexesInLine(text, key string, lineSize, pointing int) []int {
 	if pointer != -1 {
 		tempIndexes := FindIndexesInLine(text[pointer+1:], key, lineSize, pointer+pointing+1)
 		indexes = append(indexes, pointer+lineSize+pointing)
-		for _, v := range tempIndexes {
-			indexes = append(indexes, v)
-		}
+		indexes = append(indexes, tempIndexes...)
 	}
 	return indexes
 }