diff --git a/src/main/java/cn/lihongjie/coal/spring/config/MyPostgreSQLDialect.java b/src/main/java/cn/lihongjie/coal/spring/config/MyPostgreSQLDialect.java
index 4160c81a..7813e6e1 100644
--- a/src/main/java/cn/lihongjie/coal/spring/config/MyPostgreSQLDialect.java
+++ b/src/main/java/cn/lihongjie/coal/spring/config/MyPostgreSQLDialect.java
@@ -11,6 +11,7 @@ import org.hibernate.tool.schema.spi.Exporter;
 import org.hibernate.type.SqlTypes;
 
 import java.util.Arrays;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 public class MyPostgreSQLDialect extends PostgreSQLDialect {
@@ -47,10 +48,14 @@ public class MyPostgreSQLDialect extends PostgreSQLDialect {
             public String[] getSqlCreateStrings(
                     Table exportable, Metadata metadata, SqlStringGenerationContext context) {
 
+                Optional<PersistentClass> persistentClass1 = metadata.getEntityBindings().stream()
+                        .filter(x -> x.getTable() == exportable)
+                        .findFirst();
+                if (persistentClass1.isEmpty()){
+                    return tableExporter.getSqlCreateStrings(exportable, metadata, context);
+                }
                 PersistentClass persistentClass =
-                        metadata.getEntityBindings().stream()
-                                .filter(x -> x.getTable() == exportable)
-                                .findFirst()
+                        persistentClass1
                                 .get();
 
                 HyperTable hyperTable =