From 067f6027327634879809c73bab52104b76643f20 Mon Sep 17 00:00:00 2001
From: fengxiangdebaozi <10845145+fengxiangdebaozi@user.noreply.gitee.com>
Date: Fri, 14 Aug 2026 19:31:15 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BB=A3=E7=A0=81=E6=8F=90=E4=BA=A4?=
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---
 .../src/core/threads/use-single-round-rag.ts  | 79 +++++++++++++------
 1 file changed, 53 insertions(+), 26 deletions(-)

diff --git a/frontend-web/src/core/threads/use-single-round-rag.ts b/frontend-web/src/core/threads/use-single-round-rag.ts
index e90d5fc8..3d3e925b 100644
--- a/frontend-web/src/core/threads/use-single-round-rag.ts
+++ b/frontend-web/src/core/threads/use-single-round-rag.ts
@@ -168,33 +168,60 @@ function parseKnowledgeBaseChunk(jsonText: string): KnowledgeBaseChunk {
   }
 }
 
-function flattenDocs(value: unknown): Record<string, unknown>[] {
-  if (Array.isArray(value)) {
-    return value.flatMap((item) => flattenDocs(item));
-  }
-  if (!value || typeof value !== "object") return [];
-  const record = value as Record<string, unknown>;
-  if ("docs" in record) return flattenDocs(record.docs);
-  return [record];
-}
+/**
+ * Mirrors GeneralQA's `mapDocsToSources` behavior: `docs` may be an array,
+ * a single document, or a plain string.  The previous adapter only accepted
+ * objects and consequently dropped the first stream payload whenever the
+ * knowledge-base service returned a string document.
+ */
+function normalizeSources(value: KnowledgeBaseChunk["docs"]): RagSource[] {
+  const docs = Array.isArray(value) ? value : value ? [value] : [];
+  return docs.flatMap((item, index): RagSource[] => {
+    if (typeof item === "string") {
+      return [
+        {
+          title: `参考资料 ${index + 1}`,
+          type: "知识库",
+          snippet: item,
+          content: item,
+          raw: { content: item },
+        },
+      ];
+    }
+    if (!item || typeof item !== "object") return [];
 
-function normalizeSources(value: unknown): RagSource[] {
-  return flattenDocs(value).map((item, index) => {
-    const title = String(item.m_title ?? item.title ?? item.source ?? `参考资料 ${index + 1}`);
-    const content = String(item.m_content ?? item.content ?? item.snippet ?? "");
-    const source = item.source1 ?? item.source;
-    const rawUrl = item.url ?? item.link ?? item.href;
-    return {
-      id: String(item.recUuid ?? item.rec_uuid ?? item.uuid ?? item.id ?? "") || undefined,
-      title,
-      type: String(item.source1 ?? item.type ?? "知识库"),
-      snippet: content,
-      content,
-      source: typeof source === "string" ? source : undefined,
-      time: typeof item.m_publish === "string" ? item.m_publish : undefined,
-      url: typeof rawUrl === "string" && /^https?:\/\//i.test(rawUrl) ? rawUrl : undefined,
-      raw: item,
-    };
+    const record = item as Record<string, unknown>;
+    const title = String(
+      record.title ?? record.m_title ?? record.source ?? `参考资料 ${index + 1}`,
+    );
+    const content = String(
+      record.content ?? record.m_content ?? record.snippet ?? record.url ?? "",
+    );
+    const source = record.source ?? record.source1 ?? record.title ?? record.m_title;
+    const rawUrl = record.url ?? record.link ?? record.href;
+    return [
+      {
+        id:
+          String(record.recUuid ?? record.rec_uuid ?? record.uuid ?? record.id ?? "") ||
+          undefined,
+        title,
+        type: String(record.source1 ?? record.type ?? "知识库"),
+        snippet: content,
+        content,
+        source: typeof source === "string" ? source : undefined,
+        time:
+          typeof record.m_publish === "string"
+            ? record.m_publish
+            : typeof record.time === "string"
+              ? record.time
+              : undefined,
+        url:
+          typeof rawUrl === "string" && /^https?:\/\//i.test(rawUrl)
+            ? rawUrl
+            : undefined,
+        raw: record,
+      },
+    ];
   });
 }