diff --git a/src/main/java/com/sjhy/plugin/dto/TableInfoSettingsDTO.java b/src/main/java/com/sjhy/plugin/dto/TableInfoSettingsDTO.java
index 60a56ee..d8549f0 100644
--- a/src/main/java/com/sjhy/plugin/dto/TableInfoSettingsDTO.java
+++ b/src/main/java/com/sjhy/plugin/dto/TableInfoSettingsDTO.java
@@ -3,14 +3,18 @@ package com.sjhy.plugin.dto;
 import com.intellij.database.model.DasNamespace;
 import com.intellij.database.psi.DbElement;
 import com.intellij.database.psi.DbTable;
+import com.intellij.openapi.ui.Messages;
 import com.intellij.psi.PsiClass;
+import com.sjhy.plugin.dict.GlobalDict;
 import com.sjhy.plugin.entity.TableInfo;
+import com.sjhy.plugin.tool.ReflectionUtils;
 import lombok.Data;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.TreeMap;
 
 /**
  * 表格信息设置传输对象
@@ -24,7 +28,7 @@ public class TableInfoSettingsDTO {
     private Map<String, TableInfoDTO> tableInfoMap;
 
     public TableInfoSettingsDTO() {
-        this.tableInfoMap = new HashMap<>(16);
+        this.tableInfoMap = new TreeMap<>();
     }
 
     private String generateKey(DbTable dbTable) {
@@ -39,9 +43,12 @@ public class TableInfoSettingsDTO {
             }
             builder.insert(0, name);
             try {
-                Method method = element.getClass().getDeclaredMethod("getParent");
+                Method method = ReflectionUtils.getDeclaredMethod(element.getClass(), "getParent");
+                if (method == null) {
+                    break;
+                }
                 element = (DbElement) method.invoke(element);
-            } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
+            } catch (IllegalAccessException | InvocationTargetException e) {
                 break;
             }
             // 未必所有的数据库都是存在三层，例如MySQL就只有两层。如果上次层不是Namespace，则不再继续获取
@@ -101,6 +108,7 @@ public class TableInfoSettingsDTO {
         } else if (tableInfo.getPsiClassObj() != null) {
             key = generateKey((PsiClass) tableInfo.getPsiClassObj());
         } else {
+            Messages.showInfoMessage(tableInfo.getName() + "表配置信息保存失败", GlobalDict.TITLE_INFO);
             return;
         }
         this.tableInfoMap.put(key, TableInfoDTO.valueOf(tableInfo));
diff --git a/src/main/java/com/sjhy/plugin/tool/ReflectionUtils.java b/src/main/java/com/sjhy/plugin/tool/ReflectionUtils.java
index 3c7ed07..c38f85b 100644
--- a/src/main/java/com/sjhy/plugin/tool/ReflectionUtils.java
+++ b/src/main/java/com/sjhy/plugin/tool/ReflectionUtils.java
@@ -1,7 +1,13 @@
 package com.sjhy.plugin.tool;
 
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
 
 /**
  * 反射工具
@@ -25,4 +31,59 @@ public class ReflectionUtils {
         }
     }
 
+    public static Method getDeclaredMethod(Class<?> clazz, String name, Class<?>... parameterTypes) {
+        Class<?> searchType = clazz;
+        while (searchType != null) {
+            Method[] methods = (searchType.isInterface() ? searchType.getMethods() : getDeclaredMethods(searchType));
+            for (Method method : methods) {
+                if (!Objects.equals(name, method.getName())) {
+                    continue;
+                }
+                if (parameterTypes == null || Arrays.equals(parameterTypes, method.getParameterTypes())) {
+                    return method;
+                }
+            }
+            searchType = searchType.getSuperclass();
+        }
+        return null;
+    }
+
+    private static Method[] getDeclaredMethods(Class<?> clazz) {
+        Method[] result;
+        try {
+            Method[] declaredMethods = clazz.getDeclaredMethods();
+            List<Method> defaultMethods = findConcreteMethodsOnInterfaces(clazz);
+            if (defaultMethods != null) {
+                result = new Method[declaredMethods.length + defaultMethods.size()];
+                System.arraycopy(declaredMethods, 0, result, 0, declaredMethods.length);
+                int index = declaredMethods.length;
+                for (Method defaultMethod : defaultMethods) {
+                    result[index] = defaultMethod;
+                    index++;
+                }
+            } else {
+                result = declaredMethods;
+            }
+        } catch (Throwable ex) {
+            throw new IllegalStateException("Failed to introspect Class [" + clazz.getName() +
+                    "] from ClassLoader [" + clazz.getClassLoader() + "]", ex);
+        }
+        return result;
+    }
+
+    private static List<Method> findConcreteMethodsOnInterfaces(Class<?> clazz) {
+        List<Method> result = null;
+        for (Class<?> ifc : clazz.getInterfaces()) {
+            for (Method ifcMethod : ifc.getMethods()) {
+                if (!Modifier.isAbstract(ifcMethod.getModifiers())) {
+                    if (result == null) {
+                        result = new ArrayList<>();
+                    }
+                    result.add(ifcMethod);
+                }
+            }
+        }
+        return result;
+    }
+
 }