diff --git a/backend/src/main/java/io/dataease/provider/query/SQLUtils.java b/backend/src/main/java/io/dataease/provider/query/SQLUtils.java
index 9c5b148556..561f1948b2 100644
--- a/backend/src/main/java/io/dataease/provider/query/SQLUtils.java
+++ b/backend/src/main/java/io/dataease/provider/query/SQLUtils.java
@@ -5,6 +5,10 @@ package io.dataease.provider.query;
  */
 public class SQLUtils {
     public static String transKeyword(String value) {
-        return value.replaceAll("'", "\\\\'");
+        if(value == null){
+            return null;
+        }else{
+            return value.replaceAll("'", "\\\\'");
+        }
     }
 }