diff --git a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/ImportTsFileScanTool.java b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/ImportTsFileScanTool.java
index 4ec9f2290848..4891f4254861 100644
--- a/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/ImportTsFileScanTool.java
+++ b/iotdb-client/cli/src/main/java/org/apache/iotdb/tool/tsfile/ImportTsFileScanTool.java
@@ -86,7 +86,9 @@ public static void setSourceFullPath(final String sourceFullPath) {
   }
 
   public static int getSourceFullPathLength() {
-    return ImportTsFileScanTool.sourceFullPath.length();
+    return new File(sourceFullPath).isDirectory()
+        ? ImportTsFileScanTool.sourceFullPath.length()
+        : new File(ImportTsFileScanTool.sourceFullPath).getParent().length();
   }
 
   public static int getTsFileQueueSize() {