fix(fieldFilter):Logical error in CheckAllKeys mode

components/filter/field_filter_node.go

@@ -103,8 +103,8 @@ func (x *FieldFilterNode) New() types.Node {
 // Init initializes the component.
 func (x *FieldFilterNode) Init(ruleConfig types.Config, configuration types.Configuration) error {
 	err := maps.Map2Struct(configuration, &x.Config)
-	x.DataNamesList = strings.Split(x.Config.DataNames, ",")
-	x.MetadataNamesList = strings.Split(x.Config.MetadataNames, ",")
+	x.DataNamesList = filterEmptyStrings(strings.Split(x.Config.DataNames, ","))
+	x.MetadataNamesList = filterEmptyStrings(strings.Split(x.Config.MetadataNames, ","))
 	return err
 }
 
@@ -175,6 +175,18 @@ func (x *FieldFilterNode) checkAtLeastOneMetadata(metadata *types.Metadata) bool
 	return false
 }
 
+// filterEmptyStrings 过滤掉字符串切片中的空字符串
+// filterEmptyStrings filters out empty strings from a string slice.
+func filterEmptyStrings(strs []string) []string {
+	var result []string
+	for _, str := range strs {
+		if strings.TrimSpace(str) != "" {
+			result = append(result, strings.TrimSpace(str))
+		}
+	}
+	return result
+}
+
 // checkAtLeastOneData 验证至少一个指定的数据字段存在
 // checkAtLeastOneData validates that at least one specified data field exists.
 func (x *FieldFilterNode) checkAtLeastOneData(data map[string]interface{}) bool {

components/filter/field_filter_node_test.go

@@ -62,8 +62,13 @@ func TestFieldFilterNode(t *testing.T) {
 			"metadataNames": "productType,name",
 		}, Registry)
 		assert.Nil(t, err)
+		node2, err := test.CreateAndInitNode(targetNodeType, types.Configuration{
+			"checkAllKeys": true,
+			"dataNames":    "temperature",
+		}, Registry)
+		assert.Nil(t, err)
 
-		var nodeList = []types.Node{node1}
+		var nodeList = []types.Node{node1, node2}
 
 		for _, node := range nodeList {
 			metaData := types.BuildMetadata(make(map[string]string))