fix: structure ignore tag not working in nest struct

common/structure/structure.go

@@ -517,6 +517,10 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 			fieldName = tagValue
 		}
 
+		if tagValue == "-" {
+			continue
+		}
+
 		rawMapKey := reflect.ValueOf(fieldName)
 		rawMapVal := dataVal.MapIndex(rawMapKey)
 		if !rawMapVal.IsValid() {

common/structure/structure_test.go

@@ -308,3 +308,27 @@ func TestStructure_Ignore(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, s.MustIgnore, "oldData")
 }
+
+func TestStructure_IgnoreInNest(t *testing.T) {
+	rawMap := map[string]any{
+		"-": "newData",
+	}
+
+	type TP struct {
+		MustIgnore string `test:"-"`
+	}
+
+	s := struct {
+		TP
+	}{TP{MustIgnore: "oldData"}}
+
+	err := decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+
+	// test omitempty
+	delete(rawMap, "-")
+	err = decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+}