2 files changed, 11 insertions, 1 deletions
diff --git a/script/core/guide.lua b/script/core/guide.lua
index dd7888c6..edd682fc 100644
--- a/script/core/guide.lua
+++ b/script/core/guide.lua
@@ -139,6 +139,12 @@ function m.searchRefs(status, source, mode)
         end
     end
 
+    ---@param link link
+    local function checkParentID(link)
+        local id = link.id
+        local parentID = link.parentID
+    end
+
     for _ = 1, 1000 do
         if index <= 0 then
             break
@@ -155,6 +161,7 @@ function m.searchRefs(status, source, mode)
             checkForward(eachLink)
             checkBackward(eachLink)
         end
+        checkParentID(link)
         ::CONTINUE::
     end
 end
diff --git a/script/core/linker.lua b/script/core/linker.lua
index 64aaef1c..46a76127 100644
--- a/script/core/linker.lua
+++ b/script/core/linker.lua
@@ -147,7 +147,10 @@ local function getID(source)
     end
     util.revertTable(IDList)
     local id = table.concat(IDList, '|')
-    local parentID = table.concat(IDList, '|', 1, -2)
+    local parentID
+    if #IDList > 1 then
+        parentID = table.concat(IDList, '|', 1, -2)
+    end
     return id, current, parentID
 end