diff --git a/idea-plugin/p3c-common/src/main/kotlin/com/alibaba/p3c/idea/inspection/AliPmdInspectionInvoker.kt b/idea-plugin/p3c-common/src/main/kotlin/com/alibaba/p3c/idea/inspection/AliPmdInspectionInvoker.kt
index d3bbe3405..5fdfab2d8 100644
--- a/idea-plugin/p3c-common/src/main/kotlin/com/alibaba/p3c/idea/inspection/AliPmdInspectionInvoker.kt
+++ b/idea-plugin/p3c-common/src/main/kotlin/com/alibaba/p3c/idea/inspection/AliPmdInspectionInvoker.kt
@@ -98,7 +98,7 @@ class AliPmdInspectionInvoker(
         }
 
         fun invokeInspection(psiFile: PsiFile?, manager: InspectionManager, rule: Rule,
-                             isOnTheFly: Boolean): Array<ProblemDescriptor>? {
+                isOnTheFly: Boolean): Array<ProblemDescriptor>? {
             if (psiFile == null) {
                 return null
             }