diff --git a/js/core/app-shell.js b/js/core/app-shell.js
index eea98f6..8b6ee5e 100644
--- a/js/core/app-shell.js
+++ b/js/core/app-shell.js
@@ -1325,8 +1325,9 @@
         };
       }
       const svgCtx = streamState.svg;
+      // 兼容 ```svg、```xml、``` xml、``` svg 等格式
       const startPattern =
-        manifest.artifact?.startPattern || /```(?:svg)?\s*<svg/i;
+        manifest.artifact?.startPattern || /```\s*(?:svg|xml)?\s*<svg/i;
       if (!svgCtx.started) {
         const match = fullContent.match(startPattern);
         if (match) {
@@ -1347,7 +1348,8 @@
       }
 
       const svgSection = fullContent.substring(svgCtx.startIndex);
-      let cleaned = svgSection.replace(/```(?:svg)?\s*/i, '');
+      // 兼容清理 ```svg、```xml、``` xml、``` svg 等前缀
+      let cleaned = svgSection.replace(/```\s*(?:svg|xml)?\s*/i, '');
       cleaned = cleaned.replace(/```$/, '');
       const closingIndex = cleaned.indexOf('</svg>');
       if (closingIndex !== -1) {
diff --git a/js/modules/product-canvas.js b/js/modules/product-canvas.js
index f0ec6f3..7e690ff 100644
--- a/js/modules/product-canvas.js
+++ b/js/modules/product-canvas.js
@@ -22,7 +22,7 @@
     artifact: {
       type: 'svg',
       fence: 'svg',
-      startPattern: /```(?:svg)?\s*<svg/i,
+      startPattern: /```\s*(?:svg|xml)?\s*<svg/i,
       parser: parseResponse
     },
     hooks: {
diff --git a/js/modules/swot.js b/js/modules/swot.js
index 13610bb..852c285 100644
--- a/js/modules/swot.js
+++ b/js/modules/swot.js
@@ -22,7 +22,7 @@
     artifact: {
       type: 'svg',
       fence: 'svg',
-      startPattern: /```(?:svg)?\s*<svg/i,
+      startPattern: /```\s*(?:svg|xml)?\s*<svg/i,
       parser: parseResponse
     },
     hooks: {},
diff --git a/js/modules/thinksvg.js b/js/modules/thinksvg.js
index a6fe297..050359c 100644
--- a/js/modules/thinksvg.js
+++ b/js/modules/thinksvg.js
@@ -64,8 +64,8 @@
       // 代码围栏标识
       fence: 'svg',
 
-      // SVG 开始模式匹配
-      startPattern: /```(?:svg)?\s*<svg/i,
+      // SVG 开始模式匹配（兼容 ```svg、```xml、``` xml 等格式）
+      startPattern: /```\s*(?:svg|xml)?\s*<svg/i,
 
       // 内容解析器
       parser: parseResponse
diff --git a/js/utils.js b/js/utils.js
index 64d28ad..92b6674 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -24,7 +24,8 @@ function generateId(prefix = 'id') {
 // 解析SVG响应，提取SVG内容和前后文本，容错缺失的结束反引号
 function parseSVGResponse(response = '') {
   const content = typeof response === 'string' ? response : String(response || '');
-  const svgFenceRegex = /```(?:svg)?\s*([\s\S]*?)```/i;
+  // 兼容 ```svg、```xml、``` xml、``` svg 等格式
+  const svgFenceRegex = /```\s*(?:svg|xml)?\s*([\s\S]*?)```/i;
   const fenceMatch = content.match(svgFenceRegex);
 
   if (fenceMatch) {
@@ -40,14 +41,14 @@ function parseSVGResponse(response = '') {
     };
   }
 
-  // 兼容缺失结束反引号的情况
-  const svgStartRegex = /```(?:svg)?\s*<svg[\s\S]*$/i;
+  // 兼容缺失结束反引号的情况（同样兼容 xml 格式）
+  const svgStartRegex = /```\s*(?:svg|xml)?\s*<svg[\s\S]*$/i;
   const startMatch = content.match(svgStartRegex);
 
   if (startMatch) {
     const startIndex = startMatch.index;
     const beforeText = content.substring(0, startIndex).trim();
-    let svgSection = content.substring(startIndex).replace(/```(?:svg)?\s*/i, '').trim();
+    let svgSection = content.substring(startIndex).replace(/```\s*(?:svg|xml)?\s*/i, '').trim();
 
     // 去掉尾部残留的反引号
     svgSection = svgSection.replace(/```$/, '').trim();