diff --git a/graph/knowledge-state.js b/graph/knowledge-state.js
index 6145a5a..c1129b1 100644
--- a/graph/knowledge-state.js
+++ b/graph/knowledge-state.js
@@ -896,10 +896,6 @@ function inferKnowledgeFromChangedNodes(
   const normalizedChangedNodeIds = uniqueIds(changedNodeIds);
   if (normalizedChangedNodeIds.length === 0) return;
 
-  const activeCharacterOwner = resolveKnowledgeOwner(graph, {
-    ownerType: OWNER_TYPE_CHARACTER,
-    ownerName: scopeRuntime.activeCharacterOwner,
-  });
   const activeUserOwner = resolveKnowledgeOwner(graph, {
     ownerType: OWNER_TYPE_USER,
     ownerName: scopeRuntime.activeUserOwner,
@@ -946,22 +942,7 @@ function inferKnowledgeFromChangedNodes(
     }
 
     if (node.type === "character") {
-      const selfOwner = ensureKnowledgeOwnerState(
-        graph,
-        {
-          ownerType: OWNER_TYPE_CHARACTER,
-          ownerName: node?.fields?.name,
-          nodeId: node.id,
-        },
-        {
-          updatedAt: Date.now(),
-          lastSource: source,
-        },
-      );
-      if (selfOwner.ownerState) {
-        applyKnowledgeNodeIds(selfOwner.ownerState, "knownNodeIds", [node.id]);
-        applyVisibilityPatch(selfOwner.ownerState, node.id, 1);
-      }
+      continue;
     }
 
     const mentionedOwners = collectCharacterMentionOwners(graph, node);
@@ -975,16 +956,6 @@ function inferKnowledgeFromChangedNodes(
       applyVisibilityPatch(ownerResult.ownerState, node.id, 0.92);
     }
 
-    if (activeCharacterOwner.ownerKey && !mentionedOwners.length) {
-      const ownerResult = ensureKnowledgeOwnerState(graph, activeCharacterOwner, {
-        updatedAt: Date.now(),
-        lastSource: source,
-      });
-      if (ownerResult.ownerState) {
-        applyVisibilityPatch(ownerResult.ownerState, node.id, 0.55);
-      }
-    }
-
     if (activeUserOwner.ownerKey) {
       const ownerResult = ensureKnowledgeOwnerState(graph, activeUserOwner, {
         updatedAt: Date.now(),
@@ -1513,7 +1484,6 @@ export function getKnowledgeOwnerEntry(graph, ownerKey = "") {
 export function listKnowledgeOwners(graph) {
   normalizeGraphCognitiveState(graph);
   const owners = new Map();
-  const userAliasContext = buildUserAliasContext(graph);
 
   for (const entry of Object.values(graph.knowledgeState.owners || {})) {
     const normalizedEntry = createDefaultKnowledgeOwnerState(entry);
@@ -1543,49 +1513,6 @@ export function listKnowledgeOwners(graph) {
     );
   }
 
-  for (const characterNode of getCharacterNodes(graph)) {
-    if (
-      shouldResolveCharacterOwnerAsUser(
-        graph,
-        characterNode?.fields?.name,
-        "",
-        userAliasContext,
-      )
-    ) {
-      continue;
-    }
-    const resolvedOwner = resolveKnowledgeOwner(graph, {
-      ownerType: OWNER_TYPE_CHARACTER,
-      ownerName: characterNode?.fields?.name,
-      nodeId: characterNode?.id,
-      userAliasContext,
-    });
-    if (!resolvedOwner.ownerKey) continue;
-    const displayEntry = {
-      ownerKey: resolvedOwner.ownerKey,
-      ownerType: resolvedOwner.ownerType,
-      ownerName: resolvedOwner.ownerName,
-      nodeId: resolvedOwner.nodeId,
-      aliases: [...(resolvedOwner.aliases || [])],
-      knownCount: 0,
-      mistakenCount: 0,
-      manualKnownCount: 0,
-      manualHiddenCount: 0,
-      updatedAt: 0,
-      lastSource: "",
-    };
-    const equivalentEntry =
-      owners.get(resolvedOwner.ownerKey) ||
-      findEquivalentCharacterOwnerEntry(owners, displayEntry);
-    const targetKey = equivalentEntry?.ownerKey || resolvedOwner.ownerKey;
-    owners.set(
-      targetKey,
-      owners.has(targetKey)
-        ? mergeListedKnowledgeOwnerEntry(owners.get(targetKey), displayEntry)
-        : displayEntry,
-    );
-  }
-
   return Array.from(owners.values()).sort((left, right) => {
       const updatedDelta = Number(right.updatedAt || 0) - Number(left.updatedAt || 0);
       if (updatedDelta !== 0) return updatedDelta;
diff --git a/tests/knowledge-state.mjs b/tests/knowledge-state.mjs
index b9e67c7..07046c6 100644
--- a/tests/knowledge-state.mjs
+++ b/tests/knowledge-state.mjs
@@ -196,6 +196,60 @@ addNode(
 const syntheticOwners = listKnowledgeOwners(syntheticGraph);
 assert.equal(syntheticOwners.some((entry) => entry.ownerType === "character"), false);
 
+const roleCardGraph = createEmptyGraph();
+const roleCardEvent = createNode({
+  type: "event",
+  fields: { title: "天气变化", summary: "窗外下起了雨" },
+  seq: 1,
+});
+addNode(roleCardGraph, roleCardEvent);
+applyCognitionUpdates(
+  roleCardGraph,
+  [],
+  {
+    changedNodeIds: [roleCardEvent.id],
+    scopeRuntime: {
+      activeCharacterOwner: "旁白卡",
+      activeUserOwner: "玩家",
+    },
+  },
+);
+const roleCardOwners = listKnowledgeOwners(roleCardGraph);
+assert.equal(
+  roleCardOwners.some(
+    (entry) =>
+      entry.ownerType === "character" && entry.ownerName === "旁白卡",
+  ),
+  false,
+);
+
+const characterNodeGraph = createEmptyGraph();
+const plainCharacterNode = createNode({
+  type: "character",
+  fields: { name: "旁白卡", state: "仅角色卡实体" },
+  seq: 1,
+});
+addNode(characterNodeGraph, plainCharacterNode);
+applyCognitionUpdates(
+  characterNodeGraph,
+  [],
+  {
+    changedNodeIds: [plainCharacterNode.id],
+    scopeRuntime: {
+      activeCharacterOwner: "旁白卡",
+      activeUserOwner: "玩家",
+    },
+  },
+);
+const characterNodeOwners = listKnowledgeOwners(characterNodeGraph);
+assert.equal(
+  characterNodeOwners.some(
+    (entry) =>
+      entry.ownerType === "character" && entry.ownerName === "旁白卡",
+  ),
+  false,
+);
+
 const duplicateCharacterGraph = createEmptyGraph();
 const roleCardNameNode = createNode({
   type: "character",
@@ -227,8 +281,8 @@ const dedupedCharacterOwners = listKnowledgeOwners(duplicateCharacterGraph).filt
 assert.equal(dedupedCharacterOwners.length, 1);
 assert.equal(dedupedCharacterOwners[0].knownCount >= 1, true);
 assert.equal(
-  dedupedCharacterOwners[0].aliases.includes("艾 琳"),
-  true,
+  dedupedCharacterOwners[0].ownerName,
+  "艾琳",
 );
 assert.equal(
   dedupedCharacterOwners[0].aliases.includes("艾琳"),