diff --git a/src/main/kotlin/icu/windea/pls/PlsConstants.kt b/src/main/kotlin/icu/windea/pls/PlsConstants.kt
index aca5990ba..067763cbb 100644
--- a/src/main/kotlin/icu/windea/pls/PlsConstants.kt
+++ b/src/main/kotlin/icu/windea/pls/PlsConstants.kt
@@ -39,14 +39,13 @@ object PlsConstants {
     
     const val defaultScriptedVariableName = "var"
     
-    //目前认为定义相对于脚本文件的最大深度是4（最多跳过3个rootKey），在索引之外的某些场合需要加上针挑
+    //定义相对于脚本文件的最大深度（目前指定为4，即最多跳过3个rootKey） - 用于优化性能
     const val maxDefinitionDepth = 4
     //在提示信息中最多显示的键的个数
     const val keysTruncateLimit = 5
     
     //val eraseMarker = TextAttributes()
-    
-    val onlyForegroundAttributesFlags = WithAttributesPresentation.AttributesFlags().withSkipBackground(true).withSkipEffects(true)
+    //val onlyForegroundAttributesFlags = WithAttributesPresentation.AttributesFlags().withSkipBackground(true).withSkipEffects(true)
     
     object Patterns {
         val scriptParameterNameRegex = """[a-zA-Z_][a-zA-Z0-9_]*""".toRegex()
diff --git a/src/main/kotlin/icu/windea/pls/script/psi/ParadoxScriptFileStubElementType.kt b/src/main/kotlin/icu/windea/pls/script/psi/ParadoxScriptFileStubElementType.kt
index 81ff554f7..895582e42 100644
--- a/src/main/kotlin/icu/windea/pls/script/psi/ParadoxScriptFileStubElementType.kt
+++ b/src/main/kotlin/icu/windea/pls/script/psi/ParadoxScriptFileStubElementType.kt
@@ -88,7 +88,7 @@ object ParadoxScriptFileStubElementType : ILightStubFileElementType<PsiFileStub<
                 type == ROOT_BLOCK -> false
                 type == SCRIPTED_VARIABLE -> parentType != ROOT_BLOCK
                 type == PROPERTY -> false
-                type == BLOCK -> false
+                type == BLOCK -> skipBlock(node, { this.treeParent }, { this.elementType })
                 else -> true
             }
         }
@@ -101,9 +101,22 @@ object ParadoxScriptFileStubElementType : ILightStubFileElementType<PsiFileStub<
                 type == ROOT_BLOCK -> false
                 type == SCRIPTED_VARIABLE -> parentType != ROOT_BLOCK
                 type == PROPERTY -> false
-                type == BLOCK -> false
+                type == BLOCK -> skipBlock(node, { tree.getParent(this) }, { this.tokenType })
                 else -> true
             }
         }
+        
+        private inline fun <T> skipBlock(node: T, parentProvider: T.() -> T?, typeProvider: T.() -> IElementType): Boolean {
+            //优化：跳过深度过高的属性（认为它们不可能是定义）
+            var current = node
+            var i = 1
+            val max = PlsConstants.maxDefinitionDepth
+            while(true) {
+                current = current.parentProvider() ?: break
+                if(current.typeProvider() == BLOCK) i++
+                if(i > max) return true
+            }
+            return false
+        }
     }
 }