diff --git a/backend/src/main/java/io/metersphere/xmind/XmindCaseParser.java b/backend/src/main/java/io/metersphere/xmind/XmindCaseParser.java
index 1c2ead4dd1..c41a73e23e 100644
--- a/backend/src/main/java/io/metersphere/xmind/XmindCaseParser.java
+++ b/backend/src/main/java/io/metersphere/xmind/XmindCaseParser.java
@@ -84,7 +84,7 @@ public class XmindCaseParser {
         this.importType = importType;
     }
 
-    private static final String TC_REGEX = "(?:tc:|tc：)";
+    private static final String TC_REGEX = "(?:tc:|tc：|tc)";
     private static final String PC_REGEX = "(?:pc:|pc：)";
     private static final String RC_REGEX = "(?:rc:|rc：)";
     private static final String ID_REGEX = "(?:id:|id：)";