diff --git a/src/main/java/xyz/wbsite/dbtool/javafx/po/Field.java b/src/main/java/xyz/wbsite/dbtool/javafx/po/Field.java
index c4b416cb..de5e029b 100644
--- a/src/main/java/xyz/wbsite/dbtool/javafx/po/Field.java
+++ b/src/main/java/xyz/wbsite/dbtool/javafx/po/Field.java
@@ -69,10 +69,11 @@ public class Field extends Table {
                 int len = Integer.parseInt(matcher.group(1));
 
                 if (StringUtils.isEmpty(this.fieldComment)) {
-                    StringBuilder sb = new StringBuilder("");
+                    StringBuilder sb = new StringBuilder("\"");
                     for (int i = 0; i < len; i++) {
                         sb.append("A");
                     }
+                    sb.append("\"");
                     value = sb.toString();
                 } else {
                     value = "\"" + this.fieldComment.substring(0, this.fieldComment.length() > this.fieldLength ? this.fieldLength : this.fieldComment.length()) + "\"";
@@ -226,6 +227,7 @@ public class Field extends Table {
     public String getFName() {
         return Tool.lineToFieldName(this.fieldName);
     }
+
     public String getCName() {
         return Tool.lineToClassName(this.fieldName);
     }