diff --git a/controller.go b/controller.go
index 8dabedd9..0586bc62 100644
--- a/controller.go
+++ b/controller.go
@@ -309,6 +309,9 @@ func (rc RestController) Patch(ctx Context) error {
 		return err1
 	}
 
+	// Set prefer representation header as default
+	ctx.RequestContext().Request.Header.Add("Prefer", "return=representation")
+
 	return RestProxy(ctx, rc.TableName)
 }
 
@@ -332,6 +335,9 @@ func (rc RestController) Post(ctx Context) error {
 		return err1
 	}
 
+	// Set prefer representation header as default
+	ctx.RequestContext().Request.Header.Add("Prefer", "return=representation")
+
 	return RestProxy(ctx, rc.TableName)
 }
 
@@ -347,6 +353,9 @@ func (rc RestController) Put(ctx Context) error {
 		return err1
 	}
 
+	// Set prefer representation header as default
+	ctx.RequestContext().Request.Header.Add("Prefer", "return=representation")
+
 	return RestProxy(ctx, rc.TableName)
 }
 
diff --git a/pkg/db/relation.go b/pkg/db/relation.go
index 04666b23..ac3fd6b6 100644
--- a/pkg/db/relation.go
+++ b/pkg/db/relation.go
@@ -32,7 +32,7 @@ func (q *Query) Preload(table string, args ...string) *Query {
 	relations := strings.Split(table, ".")
 
 	if len(relations) > 3 {
-		raiden.Fatal("unsupported nested relations more than 3 levels")
+		raiden.Panic("unsupported nested relations more than 3 levels")
 	}
 
 	for i, relation := range relations {
@@ -48,7 +48,7 @@ func (q *Query) Preload(table string, args ...string) *Query {
 		}
 
 		if err != nil {
-			raiden.Fatal("could not find related model.")
+			raiden.Panic("could not find related model.")
 		}
 
 		relatedModelStruct := reflect.TypeOf(relatedModel)
@@ -80,7 +80,7 @@ func (q *Query) Preload(table string, args ...string) *Query {
 				relatedForeignKey, err = getTagValue(join, "foreignKey")
 
 				if err != nil {
-					raiden.Fatal("could not find foreign key in join tag.")
+					raiden.Panic("could not find foreign key in join tag.")
 				}
 			}
 		}
diff --git a/pkg/db/select.go b/pkg/db/select.go
index edb255ab..7bc7af6e 100644
--- a/pkg/db/select.go
+++ b/pkg/db/select.go
@@ -23,7 +23,7 @@ func (q Query) Select(columns []string) (model *Query) {
 			column = split[1]
 			if !isValidColumnName(alias) {
 				err := fmt.Sprintf("invalid alias column name: \"%s\" name is invalid.", alias)
-				raiden.Fatal(err)
+				raiden.Panic(err)
 			}
 		} else {
 			column = c