diff --git a/scripts/db/data-management-init.sql b/scripts/db/data-management-init.sql
index 044e043..6c3627d 100644
--- a/scripts/db/data-management-init.sql
+++ b/scripts/db/data-management-init.sql
@@ -175,8 +175,7 @@ CREATE TABLE IF NOT EXISTS t_dm_knowledge_items (
     INDEX idx_dm_ki_valid_from (valid_from),
     INDEX idx_dm_ki_valid_to (valid_to),
     INDEX idx_dm_ki_source_dataset (source_dataset_id),
-    INDEX idx_dm_ki_source_file (source_file_id),
-    INDEX idx_dm_ki_relative_path (relative_path(768))
+    INDEX idx_dm_ki_source_file (source_file_id)
 ) COMMENT='知识条目表（UUID 主键）';
 
 -- 知识条目目录表
@@ -190,9 +189,7 @@ CREATE TABLE IF NOT EXISTS t_dm_knowledge_item_directories (
     created_by VARCHAR(255) COMMENT '创建者',
     updated_by VARCHAR(255) COMMENT '更新者',
     FOREIGN KEY (set_id) REFERENCES t_dm_knowledge_sets(id) ON DELETE CASCADE,
-    UNIQUE KEY uk_dm_kd_set_path (set_id, relative_path(768)),
-    INDEX idx_dm_kd_set_id (set_id),
-    INDEX idx_dm_kd_relative_path (relative_path(768))
+    INDEX idx_dm_kd_set_id (set_id)
 ) COMMENT='知识条目目录表（UUID 主键）';
 
 -- ===========================================