diff --git a/designer-base/src/main/java/com/fr/design/data/MapCompareUtils.java b/designer-base/src/main/java/com/fr/design/data/MapCompareUtils.java
new file mode 100644
index 000000000..f7492aefc
--- /dev/null
+++ b/designer-base/src/main/java/com/fr/design/data/MapCompareUtils.java
@@ -0,0 +1,53 @@
+package com.fr.design.data;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * @author rinoux
+ * @version 10.0
+ * Created by rinoux on 2022/3/28
+ */
+public final class MapCompareUtils {
+
+
+    /**
+     * 对比两个map 查找出相比orig，other中有哪些是新增的、删除的或者被修改的，并分别进行处理
+     *
+     * @param orig         原始map
+     * @param other        参考的新map
+     * @param eventHandler 有区别时的事件处理器
+     * @param <K>          K
+     * @param <V>          V
+     */
+    public static <K, V> void contrastMapEntries(@NotNull Map<K, V> orig, @NotNull Map<K, V> other, @NotNull EventHandler<K, V> eventHandler) {
+
+        Map<K, V> copiedOrig = new LinkedHashMap<>(orig);
+
+        other.forEach((k, v) -> {
+            V existedV = copiedOrig.remove(k);
+            if (existedV != null) {
+                if (!v.equals(existedV)) {
+                    eventHandler.on(EntryEventKind.UPDATED, k, v);
+                }
+            } else {
+                eventHandler.on(EntryEventKind.ADDED, k, v);
+            }
+        });
+
+        copiedOrig.forEach((k, v) -> eventHandler.on(EntryEventKind.REMOVED, k, v));
+    }
+
+
+    public interface EventHandler<K, V> {
+        void on(EntryEventKind entryEventKind, K k, V v);
+    }
+
+    public enum EntryEventKind {
+        ADDED,
+        REMOVED,
+        UPDATED;
+    }
+}
diff --git a/designer-base/src/main/java/com/fr/design/data/datapane/connect/ConnectionListPane.java b/designer-base/src/main/java/com/fr/design/data/datapane/connect/ConnectionListPane.java
index daa408ab6..c0d23ed46 100644
--- a/designer-base/src/main/java/com/fr/design/data/datapane/connect/ConnectionListPane.java
+++ b/designer-base/src/main/java/com/fr/design/data/datapane/connect/ConnectionListPane.java
@@ -4,6 +4,7 @@ import com.fr.data.impl.Connection;
 import com.fr.data.impl.JDBCDatabaseConnection;
 import com.fr.data.impl.JNDIDatabaseConnection;
 import com.fr.design.ExtraDesignClassManager;
+import com.fr.design.data.MapCompareUtils;
 import com.fr.design.dialog.FineJOptionPane;
 import com.fr.design.fun.ConnectionProvider;
 import com.fr.design.gui.controlpane.JListControlPane;
@@ -14,6 +15,7 @@ import com.fr.design.i18n.Toolkit;
 import com.fr.file.ConnectionConfig;
 import com.fr.general.ComparatorUtils;
 import com.fr.general.NameObject;
+import com.fr.log.FineLoggerFactory;
 import com.fr.stable.ArrayUtils;
 import com.fr.stable.Nameable;
 import com.fr.stable.StringUtils;
@@ -23,6 +25,7 @@ import javax.swing.SwingUtilities;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -34,7 +37,8 @@ import java.util.UUID;
 public class ConnectionListPane extends JListControlPane implements ConnectionShowPane {
     public static final String TITLE_NAME = Toolkit.i18nText("Fine-Design_Basic_Server_Define_Data_Connection");
     private boolean isNamePermitted = true;
-    private HashMap<String, String> renameMap = new HashMap<String, String>();
+    private final HashMap<String, String> renameMap = new HashMap<>();
+    private final Map<String, Connection> populatedConnectionsSnapshot = new LinkedHashMap<>();
 
     public ConnectionListPane() {
         renameMap.clear();
@@ -138,11 +142,16 @@ public class ConnectionListPane extends JListControlPane implements ConnectionSh
      */
     public void populate(ConnectionConfig connectionConfig) {
         List<NameObject> nameObjectList = new ArrayList<NameObject>();
+        populatedConnectionsSnapshot.clear();
         for (Map.Entry<String, Connection> entry : connectionConfig.getConnections().entrySet()) {
             nameObjectList.add(new NameObject(entry.getKey(), entry.getValue()));
+            try {
+                populatedConnectionsSnapshot.put(entry.getKey(), (Connection) entry.getValue().clone());
+            } catch (Exception e) {
+                FineLoggerFactory.getLogger().error(e.getMessage(), e);
+            }
         }
         this.populate(nameObjectList.toArray(new NameObject[nameObjectList.size()]));
-
     }
 
     /**
@@ -151,15 +160,21 @@ public class ConnectionListPane extends JListControlPane implements ConnectionSh
     public void update(ConnectionConfig connectionConfig) {
         // Nameable[]居然不能强转成NameObject[],一定要这么写...
         Nameable[] res = this.update();
-        NameObject[] res_array = new NameObject[res.length];
-        java.util.Arrays.asList(res).toArray(res_array);
-
-        connectionConfig.removeAllConnection();
-
-        for (int i = 0; i < res_array.length; i++) {
-            NameObject nameObject = res_array[i];
-            connectionConfig.addConnection(nameObject.getName(), (Connection) nameObject.getObject());
-        }
+        Map<String, Connection> updatedMap = new LinkedHashMap<>();
+        Arrays.stream(res).map(n -> (NameObject) n).forEach(no -> updatedMap.put(no.getName(), (Connection) no.getObject()));
+
+        MapCompareUtils.contrastMapEntries(populatedConnectionsSnapshot, updatedMap, (entryEventKind, s, connection) -> {
+            switch (entryEventKind) {
+                case REMOVED:
+                    connectionConfig.removeConnection(s);
+                    break;
+                case ADDED:
+                case UPDATED:
+                    connectionConfig.addConnection(s, connection);
+                default:
+                    break;
+            }
+        });
     }
 
     @Override
diff --git a/designer-base/src/main/java/com/fr/design/gui/ifilechooser/SwingFileChooser.java b/designer-base/src/main/java/com/fr/design/gui/ifilechooser/SwingFileChooser.java
index 942c3430c..47abaa8b6 100644
--- a/designer-base/src/main/java/com/fr/design/gui/ifilechooser/SwingFileChooser.java
+++ b/designer-base/src/main/java/com/fr/design/gui/ifilechooser/SwingFileChooser.java
@@ -32,7 +32,11 @@ class SwingFileChooser implements FileChooserProvider {
 
     @Override
     public File[] getSelectedFiles() {
-        return fileChooser.getSelectedFiles();
+        if (ArrayUtils.isNotEmpty(fileChooser.getSelectedFiles())) {
+            return fileChooser.getSelectedFiles();
+        } else {
+            return new File[]{fileChooser.getSelectedFile()};
+        }
     }
 
     @Override
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrame.java b/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrame.java
index 798441c53..86e64d2ed 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrame.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrame.java
@@ -356,7 +356,12 @@ public class DesignerFrame extends JFrame implements JTemplateActionListener, Ta
     public void fireDesignerOpened() {
 
         for (DesignerOpenedListener listener : designerOpenedListenerList) {
-            listener.designerOpened();
+            // 捕获下异常 避免造成启动过程监听触发异常导致设计器闪退
+            try {
+                listener.designerOpened();
+            } catch (Throwable e) {
+                FineLoggerFactory.getLogger().error(e.getMessage(), e);
+            }
         }
 
         designerOpened = true;
diff --git a/designer-base/src/test/java/com/fr/design/data/MapCompareUtilsTest.java b/designer-base/src/test/java/com/fr/design/data/MapCompareUtilsTest.java
new file mode 100644
index 000000000..1f1e60e2b
--- /dev/null
+++ b/designer-base/src/test/java/com/fr/design/data/MapCompareUtilsTest.java
@@ -0,0 +1,57 @@
+package com.fr.design.data;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * @author rinoux
+ * @version 10.0
+ * Created by rinoux on 2022/3/28
+ */
+public class MapCompareUtilsTest {
+
+    @Test
+    public void contrastMapEntries() {
+
+
+        Map<String, String> orig = new LinkedHashMap<>();
+
+        orig.put("aaa", "aaa");
+        orig.put("bbb", "bbb");
+        orig.put("ccc", "ccc");
+        orig.put("ddd", "ddd");
+
+
+        Map<String, String> other = new LinkedHashMap<>();
+
+        other.put("aaa", "111");
+        other.put("bbb", "bbb");
+        other.put("ccc", "ccc");
+        other.put("eee", "eee");
+
+
+        MapCompareUtils.contrastMapEntries(orig, other, new MapCompareUtils.EventHandler<String, String>() {
+            @Override
+            public void on(MapCompareUtils.EntryEventKind entryEventKind, String s, String s2) {
+                switch (entryEventKind) {
+                    case UPDATED:
+                        Assert.assertEquals(s, "aaa");
+                        Assert.assertEquals(s2, "111");
+                        break;
+                    case REMOVED:
+                        Assert.assertEquals(s, "ddd");
+                        break;
+                    case ADDED:
+                        Assert.assertEquals(s, "eee");
+                        Assert.assertEquals(s2, "eee");
+                        break;
+                    default:
+                        Assert.fail();
+                }
+            }
+        });
+    }
+}
\ No newline at end of file
diff --git a/designer-realize/src/main/java/com/fr/poly/creator/ECBlockPane.java b/designer-realize/src/main/java/com/fr/poly/creator/ECBlockPane.java
index bbf91f640..7ec7d1a6d 100644
--- a/designer-realize/src/main/java/com/fr/poly/creator/ECBlockPane.java
+++ b/designer-realize/src/main/java/com/fr/poly/creator/ECBlockPane.java
@@ -56,7 +56,7 @@ public class ECBlockPane extends PolyElementCasePane {
 
             @Override
             public void selectionChanged(SelectionEvent e) {
-                if (!isEditable() && !DesignModeContext.isAuthorityEditing()) {
+                if (!isEditable()) {
                     return;
                 }
                 if (DesignModeContext.isAuthorityEditing()) {