From 73869d7f69233ee6d48cbda74ea77abd54555c96 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Tue, 23 Sep 2025 20:34:36 +0800
Subject: [PATCH 1/4] :bug: https://github.com/siyuan-note/siyuan/issues/15915

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/av/filter.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/av/filter.go b/kernel/av/filter.go
index 3213c1ee7..d57293c68 100644
--- a/kernel/av/filter.go
+++ b/kernel/av/filter.go
@@ -541,6 +541,10 @@ func (value *Value) filter(other *Value, relativeDate, relativeDate2 *RelativeDa
 				return !value.Checkbox.Checked
 			}
 		}
+	case KeyTypeRelation:
+		if nil != value.Relation && nil != other && nil != other.Relation {
+			return filterTextContent(operator, value.Relation.Contents[0].Block.Content, other.Relation.Contents[0].Block.Content)
+		}
 	}
 	return false
 }

From 6d98e3b18ad8a749d6d3e661c9c294ad4cfc1d25 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Tue, 23 Sep 2025 20:35:14 +0800
Subject: [PATCH 2/4] :bug: https://github.com/siyuan-note/siyuan/issues/15915

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/av/filter.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/av/filter.go b/kernel/av/filter.go
index d57293c68..b7e33a624 100644
--- a/kernel/av/filter.go
+++ b/kernel/av/filter.go
@@ -542,7 +542,7 @@ func (value *Value) filter(other *Value, relativeDate, relativeDate2 *RelativeDa
 			}
 		}
 	case KeyTypeRelation:
-		if nil != value.Relation && nil != other && nil != other.Relation {
+		if nil != value.Relation && 0 < len(value.Relation.Contents) && nil != other && nil != other.Relation && 0 < len(other.Relation.Contents) {
 			return filterTextContent(operator, value.Relation.Contents[0].Block.Content, other.Relation.Contents[0].Block.Content)
 		}
 	}

From e8378c62612060fb33607c6f6341cda843cfa5c5 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Tue, 23 Sep 2025 20:35:57 +0800
Subject: [PATCH 3/4] :bug: https://github.com/siyuan-note/siyuan/issues/15915

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/av/filter.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/av/filter.go b/kernel/av/filter.go
index b7e33a624..e4066e308 100644
--- a/kernel/av/filter.go
+++ b/kernel/av/filter.go
@@ -542,7 +542,8 @@ func (value *Value) filter(other *Value, relativeDate, relativeDate2 *RelativeDa
 			}
 		}
 	case KeyTypeRelation:
-		if nil != value.Relation && 0 < len(value.Relation.Contents) && nil != other && nil != other.Relation && 0 < len(other.Relation.Contents) {
+		if nil != value.Relation && 0 < len(value.Relation.Contents) && nil != value.Relation.Contents[0].Block &&
+			nil != other && nil != other.Relation && 0 < len(other.Relation.Contents) && nil != other.Relation.Contents[0].Block {
 			return filterTextContent(operator, value.Relation.Contents[0].Block.Content, other.Relation.Contents[0].Block.Content)
 		}
 	}

From 16a8e4926c7ff12421b673e8075e506effbc98f4 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Tue, 23 Sep 2025 20:43:32 +0800
Subject: [PATCH 4/4] :bug: https://github.com/siyuan-note/siyuan/issues/15915

Signed-off-by: Daniel <845765@qq.com>
---
 kernel/av/filter.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/av/filter.go b/kernel/av/filter.go
index e4066e308..9acb813ce 100644
--- a/kernel/av/filter.go
+++ b/kernel/av/filter.go
@@ -541,10 +541,11 @@ func (value *Value) filter(other *Value, relativeDate, relativeDate2 *RelativeDa
 				return !value.Checkbox.Checked
 			}
 		}
-	case KeyTypeRelation:
+	case KeyTypeRelation: // 过滤汇总字段，并且汇总目标是关联字段时才会进入该分支
 		if nil != value.Relation && 0 < len(value.Relation.Contents) && nil != value.Relation.Contents[0].Block &&
-			nil != other && nil != other.Relation && 0 < len(other.Relation.Contents) && nil != other.Relation.Contents[0].Block {
-			return filterTextContent(operator, value.Relation.Contents[0].Block.Content, other.Relation.Contents[0].Block.Content)
+			nil != other && nil != other.Relation && 0 < len(other.Relation.BlockIDs) {
+			filterValue := &Value{Type: KeyTypeBlock, Block: &ValueBlock{Content: other.Relation.BlockIDs[0]}}
+			return filterTextContent(operator, value.Relation.Contents[0].Block.Content, filterValue.Block.Content)
 		}
 	}
 	return false