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https://gitcode.com/ageerle/ruoyi-ai.git
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知识库检索节点补齐严格模式、默认回复及节点注册
- KnowledgeRetrievalNodeConfig 新增 is_strict / default_response 字段 - KnowledgeRetrievalNode 检索无结果时,严格模式开启返回默认回复,关闭返回空 - 检索模式优先级修正:节点明确选择覆盖知识库的混合检索配置 - 新增幂等注册 SQL(update 脚本 + 全量初始化),新老环境均可使用
This commit is contained in:
@@ -3476,6 +3476,7 @@ INSERT INTO `t_workflow_component` VALUES (18, '5cd6ac69bbb411f0bb7840c2ba9a7fbc
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INSERT INTO `t_workflow_component` VALUES (19, '5cd6c8eabbb411f0bb7840c2ba9a7fbc', 'Answer', '生成回答', '调用大语言模型回答问题', 0, 1, '2025-11-07 16:32:49', '2025-11-07 16:32:49', 0, '000000');
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INSERT INTO `t_workflow_component` VALUES (26, 'bb00fc2f52c74fec82ee3f99725b56bb', 'Switcher', '条件分支', '根据条件执行不同分支', 0, 1, '2025-12-26 16:30:46', '2025-12-26 16:30:46', 0, '000000');
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INSERT INTO `t_workflow_component` VALUES (37, 'a7f8c2d44e5b4c83a9d6f103c2b47e18', 'Google', '网络搜索', '调用智谱 Web Search 检索互联网信息', 40, 1, '2026-07-29 20:30:00', '2026-07-29 20:30:00', 0, '000000');
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INSERT INTO `t_workflow_component` VALUES (38, 'b8e3c1d55f6a4d92b0e7f214d3c58a29', 'KnowledgeRetrieval', '知识库检索', '从知识库中检索相关内容,支持向量检索和混合检索', 30, 1, '2026-09-11 10:00:00', '2026-09-11 10:00:00', 0, '000000');
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-- ----------------------------
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-- Table structure for t_workflow_edge
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@@ -0,0 +1,24 @@
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-- 知识库检索工作流节点注册
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-- 为新安装和已有环境提供幂等的节点注册
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INSERT INTO `t_workflow_component`
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(`uuid`, `name`, `title`, `remark`, `display_order`, `is_enable`,
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`create_time`, `update_time`, `is_deleted`, `tenant_id`)
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SELECT
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'b8e3c1d55f6a4d92b0e7f214d3c58a29',
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'KnowledgeRetrieval',
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'知识库检索',
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'从知识库中检索相关内容,支持向量检索和混合检索',
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30,
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1,
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NOW(),
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NOW(),
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0,
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'000000'
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FROM DUAL
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WHERE NOT EXISTS (
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SELECT 1
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FROM `t_workflow_component`
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WHERE `name` = 'KnowledgeRetrieval'
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AND `tenant_id` = '000000'
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);
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@@ -88,6 +88,15 @@ public class KnowledgeRetrievalNode extends AbstractWfNode {
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retrievalResult = retrieveFromVector(config, finalQuery);
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// 严格模式处理:检索无结果时返回默认回复
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if (StringUtils.isBlank(retrievalResult) && Boolean.TRUE.equals(config.getIsStrict())) {
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String defaultResp = config.getDefaultResponse();
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if (StringUtils.isNotBlank(defaultResp)) {
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log.info("Knowledge retrieval returned no results, using default response (strict mode)");
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retrievalResult = defaultResp;
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}
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}
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log.info("Retrieval result length: {}", retrievalResult.length());
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// 构建输出
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@@ -238,9 +247,9 @@ public class KnowledgeRetrievalNode extends AbstractWfNode {
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bo.setVectorModelName(kb.getVectorModel());
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bo.setBaseUrl(embModel.getApiHost());
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// 节点明确选择的模式覆盖知识库配置,避免知识库开启混合检索时节点无法切回纯向量
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String mode = config.getRetrievalMode() != null ? config.getRetrievalMode().toLowerCase() : "vector";
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boolean enableHybrid = "hybrid".equals(mode)
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|| (kb.getEnableHybrid() != null && kb.getEnableHybrid() == 1);
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boolean enableHybrid = "hybrid".equals(mode);
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bo.setEnableHybrid(enableHybrid);
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bo.setHybridAlpha(kb.getHybridAlpha());
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bo.setEnableRerank(kb.getEnableRerank() != null && kb.getEnableRerank() == 1);
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@@ -12,26 +12,26 @@ import lombok.EqualsAndHashCode;
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@EqualsAndHashCode
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@Data
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public class KnowledgeRetrievalNodeConfig {
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/**
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* 知识库UUID(主要字段)
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*/
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@JsonProperty("knowledge_base_uuid")
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private String knowledgeBaseUuid;
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/**
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* 知识库ID(兼容字段)
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*/
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@JsonProperty("knowledge_id")
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private String knowledgeId;
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/**
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* 获取知识库ID(优先使用knowledgeBaseUuid)
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*/
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public String getKnowledgeId() {
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return knowledgeBaseUuid != null ? knowledgeBaseUuid : knowledgeId;
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}
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/**
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* 检索的最大结果数
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*/
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@@ -39,20 +39,20 @@ public class KnowledgeRetrievalNodeConfig {
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@Max(100)
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@JsonProperty("top_k")
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private Integer topK = 5;
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/**
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* 检索的最大结果数(兼容字段,前端使用top_n)
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*/
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@JsonProperty("top_n")
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private Integer topN;
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/**
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* 获取topK值(优先使用topN)
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*/
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public Integer getTopK() {
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return topN != null ? topN : topK;
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}
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/**
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* 相似度阈值(0-1之间)
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*/
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@@ -60,52 +60,66 @@ public class KnowledgeRetrievalNodeConfig {
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@Max(1)
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@JsonProperty("similarity_threshold")
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private Double similarityThreshold = 0.7;
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/**
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* 相似度阈值(兼容字段,前端使用score)
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*/
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@JsonProperty("score")
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private Double score;
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/**
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* 获取相似度阈值(优先使用score)
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*/
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public Double getSimilarityThreshold() {
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return score != null ? score : similarityThreshold;
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}
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/**
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* 检索模式:vector(向量检索)、graph(图谱检索)、hybrid(混合检索)
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*/
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@JsonProperty("retrieval_mode")
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private String retrievalMode = "vector";
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/**
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* 模型分类(用于LLM查询改写)
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*/
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private String category;
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/**
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* LLM模型名称(用于查询改写)
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*/
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@JsonProperty("model_name")
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private String modelName;
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/**
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* Embedding模型名称(用于向量检索)
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*/
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@JsonProperty("embedding_model")
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private String embeddingModel;
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/**
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* 是否返回原文
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*/
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@JsonProperty("return_source")
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private Boolean returnSource = true;
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/**
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* 自定义查询提示词(可选)
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* 用于对查询进行预处理或改写
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*/
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private String prompt;
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/**
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* 是否开启严格模式
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* 开启后,当检索无结果时返回 defaultResponse;关闭则返回空字符串
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*/
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@JsonProperty("is_strict")
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private Boolean isStrict = true;
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/**
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* 严格模式下的默认回复内容
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* 当检索无结果且严格模式开启时,返回此内容
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*/
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@JsonProperty("default_response")
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private String defaultResponse;
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}
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