diff --git a/src/main/java/xyz/wbsite/dbtool/javafx/tool/RequestReader.java b/src/main/java/xyz/wbsite/dbtool/javafx/tool/RequestReader.java
index 4d09f3bf..86ff4dfd 100644
--- a/src/main/java/xyz/wbsite/dbtool/javafx/tool/RequestReader.java
+++ b/src/main/java/xyz/wbsite/dbtool/javafx/tool/RequestReader.java
@@ -108,7 +108,10 @@ public class RequestReader {
 
                         if (matcher.find()) {
                             String group = matcher.group(2);
-                            deptEntList.add(group);
+                            Set<String> javaField = Tool.getJavaField();
+                            if (!javaField.contains(group)) {
+                                deptEntList.add(group);
+                            }
                         }
                     }