diff --git a/designer-base/src/main/java/com/fr/design/actions/file/PreferencePane.java b/designer-base/src/main/java/com/fr/design/actions/file/PreferencePane.java
index 0ccb5d3e7..5afe58ad3 100644
--- a/designer-base/src/main/java/com/fr/design/actions/file/PreferencePane.java
+++ b/designer-base/src/main/java/com/fr/design/actions/file/PreferencePane.java
@@ -20,6 +20,7 @@ import com.fr.design.gui.ilable.UILabel;
 import com.fr.design.gui.iprogressbar.UIProgressBarUI;
 import com.fr.design.gui.ispinner.UISpinner;
 import com.fr.design.gui.itextfield.UITextField;
+import com.fr.design.jdk.JdkVersion;
 import com.fr.design.layout.FRGUIPaneFactory;
 import com.fr.design.layout.TableLayout;
 import com.fr.design.layout.TableLayoutHelper;
@@ -39,6 +40,7 @@ import com.fr.general.log.Log4jConfig;
 import com.fr.locale.InterProviderFactory;
 import com.fr.log.FineLoggerFactory;
 import com.fr.stable.Constants;
+import com.fr.stable.StableUtils;
 import com.fr.stable.os.OperatingSystem;
 import com.fr.third.apache.log4j.Level;
 import com.fr.transaction.Configurations;
@@ -216,7 +218,7 @@ public class PreferencePane extends BasicPane {
         oracleSpace = new UICheckBox(i18nText("Fine-Design_Basic_Show_All_Oracle_Tables"));
         oraclePane.add(oracleSpace);
 
-        if (!OperatingSystem.isLinux()) {
+        if (!OperatingSystem.isLinux() && JdkVersion.LE_8.support()) {
             JPanel upmSelectorPane = FRGUIPaneFactory.createTitledBorderPane(i18nText("Fine-Design_Basic_Update_Plugin_Manager"));
             useOptimizedUPMCheckbox = new UICheckBox(i18nText("Fine-Design_Basic_Use_New_Update_Plugin_Manager"));
             upmSelectorPane.add(useOptimizedUPMCheckbox);
diff --git a/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/ConfigurableCaret.java b/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/ConfigurableCaret.java
index 47c4d3501..233fcd598 100644
--- a/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/ConfigurableCaret.java
+++ b/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/ConfigurableCaret.java
@@ -12,6 +12,7 @@ import java.awt.*;
 import java.awt.event.*;
 import java.awt.datatransfer.*;
 import java.awt.event.ActionEvent;
+import java.awt.geom.Line2D;
 import java.io.*;
 import javax.swing.*;
 import javax.swing.plaf.*;
@@ -454,9 +455,10 @@ public class ConfigurableCaret extends DefaultCaret {
 
 					// A thicker vertical line.
 					case THICK_VERTICAL_LINE_STYLE:
-						g.drawLine(r.x,r.y, r.x,r.y+r.height);
-						r.x++;
-						g.drawLine(r.x,r.y, r.x,r.y+r.height);
+						Graphics2D g2 = (Graphics2D) g;
+						g2.setStroke(new BasicStroke(2));
+						// 向右再移动一个位置 避免光标太接近文字内容
+						g2.draw(new Line2D.Float(r.x + 1, r.y, r.x + 1, r.y + r.height));
 						break;
 
 				} // End of switch (style).
diff --git a/designer-base/src/main/java/com/fr/design/jdk/JdkVersion.java b/designer-base/src/main/java/com/fr/design/jdk/JdkVersion.java
new file mode 100644
index 000000000..be0c3da01
--- /dev/null
+++ b/designer-base/src/main/java/com/fr/design/jdk/JdkVersion.java
@@ -0,0 +1,38 @@
+package com.fr.design.jdk;
+
+import com.fr.stable.StableUtils;
+
+/**
+ * 设计器运行jdk版本
+ *
+ * @author hades
+ * @version 10.0
+ * Created by hades on 2020/9/27
+ */
+public enum JdkVersion {
+
+    /**
+     * 小于或等于jdk 8
+     */
+    LE_8 {
+
+        @Override
+        public boolean support() {
+            return StableUtils.getMajorJavaVersion() <= 8;
+        }
+    },
+
+    /**
+     * 大于或等于jdk 9
+     */
+    GE_9 {
+
+        @Override
+        public boolean support() {
+            return  StableUtils.getMajorJavaVersion() >= 9;
+        }
+    };
+
+
+    abstract public boolean support();
+}
diff --git a/designer-base/src/main/java/com/fr/design/os/impl/PMDialogAction.java b/designer-base/src/main/java/com/fr/design/os/impl/PMDialogAction.java
index 541e39601..7e74e7651 100644
--- a/designer-base/src/main/java/com/fr/design/os/impl/PMDialogAction.java
+++ b/designer-base/src/main/java/com/fr/design/os/impl/PMDialogAction.java
@@ -2,8 +2,10 @@ package com.fr.design.os.impl;
 
 import com.fr.config.ServerPreferenceConfig;
 import com.fr.design.extra.WebViewDlgHelper;
+import com.fr.design.jdk.JdkVersion;
 import com.fr.design.upm.UpmFinder;
 import com.fr.design.utils.DesignUtils;
+import com.fr.stable.StableUtils;
 import com.fr.stable.os.Arch;
 import com.fr.stable.os.OperatingSystem;
 import com.fr.stable.os.support.OSBasedAction;
@@ -21,7 +23,7 @@ public class PMDialogAction implements OSBasedAction {
              DesignUtils.visitEnvServerByParameters( PLUGIN_MANAGER_ROUTE,null,null);
              return;
          }
-        if (ServerPreferenceConfig.getInstance().isUseOptimizedUPM()) {
+        if (ServerPreferenceConfig.getInstance().isUseOptimizedUPM() && JdkVersion.LE_8.support()) {
             UpmFinder.showUPMDialog();
         } else {
             WebViewDlgHelper.createPluginDialog();