diff --git a/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRenderer.java b/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRenderer.java
index 402b93ae..a6b9d6d3 100644
--- a/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRenderer.java
+++ b/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRenderer.java
@@ -437,11 +437,14 @@ public class HtmlTplDashboardWidgetHtmlRenderer<T extends HtmlRenderContext> ext
 	protected void writeHtmlTplDashboardScript(T renderContext, HtmlTplDashboard dashboard, DashboardInfo dashboardInfo)
 			throws IOException
 	{
-		String dashboardVar = dashboardInfo.getDashboardVar();
-		if (StringUtil.isEmpty(dashboardVar))
-			dashboardVar = getDefaultDashboardVar();
+		String globalDashboardVar = dashboardInfo.getDashboardVar();
+		if (StringUtil.isEmpty(globalDashboardVar))
+			globalDashboardVar = getDefaultDashboardVar();
 
-		dashboard.setVarName(dashboardVar);
+		String tmpRenderContextVarName = HtmlRenderAttributes.generateRenderContextVarName(renderContext);
+		String localDashboardVarName = HtmlRenderAttributes.generateDashboardVarName(renderContext);
+
+		dashboard.setVarName(localDashboardVarName);
 
 		Writer out = renderContext.getWriter();
 
@@ -451,13 +454,13 @@ public class HtmlTplDashboardWidgetHtmlRenderer<T extends HtmlRenderContext> ext
 		out.write("(function(){");
 		writeNewLine(out);
 
-		writeHtmlTplDashboardJSVar(renderContext, out, dashboard);
+		writeHtmlTplDashboardJSVar(renderContext, out, dashboard, tmpRenderContextVarName);
 
 		writeHtmlChartScripts(renderContext, dashboard, dashboardInfo);
 		writeHtmlTplDashboardJSInit(out, dashboard);
 		writeHtmlTplDashboardJSFactoryInit(out, dashboard, dashboardInfo.getDashboardFactoryVar());
 
-		out.write("window." + dashboardVar + "=" + dashboardVar + ";");
+		out.write("window." + globalDashboardVar + "=" + localDashboardVarName + ";");
 		writeNewLine(out);
 
 		writeNewLine(out);
diff --git a/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetRenderer.java b/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetRenderer.java
index 1ba99c31..593c5bdf 100644
--- a/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetRenderer.java
+++ b/datagear-analysis/src/main/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetRenderer.java
@@ -789,24 +789,28 @@ public abstract class HtmlTplDashboardWidgetRenderer<T extends HtmlRenderContext
 	/**
 	 * 写{@linkplain HtmlTplDashboard} JS变量：
 	 * <p>
-	 * <code>var dashboard = {...};</code>
+	 * <code>
+	 * <pre>
+	 * var [tmpRenderContextVarName] = {...};
+	 * var [dashboardVarName] = {...};
+	 * </pre>
+	 * </code>
 	 * </p>
 	 * 
 	 * @param renderContext
 	 * @param out
 	 * @param dashboard
+	 * @param tmpRenderContextVarName
 	 * @throws IOException
 	 */
-	protected void writeHtmlTplDashboardJSVar(HtmlRenderContext renderContext, Writer out, HtmlTplDashboard dashboard)
+	protected void writeHtmlTplDashboardJSVar(HtmlRenderContext renderContext, Writer out, HtmlTplDashboard dashboard,
+			String tmpRenderContextVarName)
 			throws IOException
 	{
 		if (StringUtil.isEmpty(dashboard.getVarName()))
 			throw new IllegalArgumentException();
 
-		String tmpRenderContextVarName = HtmlRenderAttributes
-				.generateRenderContextVarName(Long.toHexString(System.currentTimeMillis()));
 		getHtmlRenderContextScriptObjectWriter().writeNoAttributes(out, renderContext, tmpRenderContextVarName);
-
 		getHtmlTplDashboardScriptObjectWriter().write(out, dashboard, tmpRenderContextVarName);
 	}
 
diff --git a/datagear-analysis/src/test/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRendererTest.java b/datagear-analysis/src/test/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRendererTest.java
index 5bc46222..a4111b0d 100644
--- a/datagear-analysis/src/test/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRendererTest.java
+++ b/datagear-analysis/src/test/java/org/datagear/analysis/support/html/HtmlTplDashboardWidgetHtmlRendererTest.java
@@ -108,8 +108,9 @@ public class HtmlTplDashboardWidgetHtmlRendererTest
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_UTIL));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_THEME));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_STYLE));
-			Assert.assertTrue(html.contains("var myDashboard"));
-			Assert.assertTrue(html.contains("myDashboardFactory.init(myDashboard);"));
+			Assert.assertTrue(html.contains("var dataGearDashboard2"));
+			Assert.assertTrue(html.contains("myDashboardFactory.init(dataGearDashboard2);"));
+			Assert.assertTrue(html.contains("window.myDashboard=dataGearDashboard2;"));
 		}
 
 		// 看板属性，无引号
@@ -134,8 +135,9 @@ public class HtmlTplDashboardWidgetHtmlRendererTest
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_UTIL));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_THEME));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_STYLE));
-			Assert.assertTrue(html.contains("var myDashboard"));
-			Assert.assertTrue(html.contains("myDashboardFactory.init(myDashboard);"));
+			Assert.assertTrue(html.contains("var dataGearDashboard2"));
+			Assert.assertTrue(html.contains("myDashboardFactory.init(dataGearDashboard2);"));
+			Assert.assertTrue(html.contains("window.myDashboard=dataGearDashboard2;"));
 		}
 
 		// 看板属性，单引号
@@ -160,8 +162,9 @@ public class HtmlTplDashboardWidgetHtmlRendererTest
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_UTIL));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_THEME));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_STYLE));
-			Assert.assertTrue(html.contains("var myDashboard"));
-			Assert.assertTrue(html.contains("myDashboardFactory.init(myDashboard);"));
+			Assert.assertTrue(html.contains("var dataGearDashboard2"));
+			Assert.assertTrue(html.contains("myDashboardFactory.init(dataGearDashboard2);"));
+			Assert.assertTrue(html.contains("window.myDashboard=dataGearDashboard2;"));
 		}
 
 		// 看板属性，多个导入排除值
@@ -186,8 +189,9 @@ public class HtmlTplDashboardWidgetHtmlRendererTest
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_UTIL));
 			Assert.assertFalse(html.contains(IMPORT_CONTENT_THEME));
 			Assert.assertFalse(html.contains(IMPORT_CONTENT_STYLE));
-			Assert.assertTrue(html.contains("var myDashboard"));
-			Assert.assertTrue(html.contains("myDashboardFactory.init(myDashboard);"));
+			Assert.assertTrue(html.contains("var dataGearDashboard2"));
+			Assert.assertTrue(html.contains("myDashboardFactory.init(dataGearDashboard2);"));
+			Assert.assertTrue(html.contains("window.myDashboard=dataGearDashboard2;"));
 		}
 
 		// 看板属性，默认
@@ -211,8 +215,9 @@ public class HtmlTplDashboardWidgetHtmlRendererTest
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_UTIL));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_THEME));
 			Assert.assertTrue(html.contains(IMPORT_CONTENT_STYLE));
-			Assert.assertTrue(html.contains("var dashboard"));
-			Assert.assertTrue(html.contains("dashboardFactory.init(dashboard);"));
+			Assert.assertTrue(html.contains("var dataGearDashboard2"));
+			Assert.assertTrue(html.contains("dashboardFactory.init(dataGearDashboard2);"));
+			Assert.assertTrue(html.contains("window.dashboard=dataGearDashboard2;"));
 		}
 
 		// 图表属性