diff --git a/api/services/poster.py b/api/services/poster.py
index eef02a7..42bd67e 100644
--- a/api/services/poster.py
+++ b/api/services/poster.py
@@ -1040,7 +1040,7 @@ class PosterService:
         }
     
     def _create_gradient_background_object(self, canvas_width: int, canvas_height: int, gradient_start: int) -> Dict[str, Any]:
-        """创建模拟毛玻璃效果的渐变背景"""
+        """创建模拟毛玻璃效果的渐变背景（简化版本，提高兼容性）"""
         return {
             "type": "rect",
             "version": "5.3.0",
@@ -1050,24 +1050,13 @@ class PosterService:
             "top": gradient_start,
             "width": canvas_width,
             "height": canvas_height - gradient_start,
-            "fill": {
-                "type": "linear",
-                "coords": {
-                    "x1": 0,
-                    "y1": 0,
-                    "x2": 0,
-                    "y2": canvas_height - gradient_start
-                },
-                "colorStops": [
-                    {"offset": 0, "color": "rgba(0, 30, 80, 0.3)"},
-                    {"offset": 0.5, "color": "rgba(0, 50, 120, 0.6)"},
-                    {"offset": 1, "color": "rgba(0, 80, 160, 0.8)"}
-                ]
-            },
+            "fill": "rgba(0, 50, 120, 0.6)",  # 简化为单一颜色，提高兼容性
+            "stroke": "",
+            "strokeWidth": 0,
             "angle": 0,
             "flipX": False,
             "flipY": False,
-            "opacity": 1,
+            "opacity": 0.8,
             "visible": True,
             "name": "glass_gradient",
             "data": {
@@ -1101,8 +1090,8 @@ class PosterService:
                 "width": content_width,
                 "height": title_size + 20,
                 "fill": "#ffffff",
-                "stroke": "rgba(0, 30, 80, 0.8)",
-                "strokeWidth": 2,
+                            "stroke": "#001e50",
+            "strokeWidth": 2,
                 "fontFamily": "Arial Black, sans-serif",
                 "fontWeight": "bold",
                 "fontSize": title_size,
@@ -1135,12 +1124,7 @@ class PosterService:
                 "width": content_width,
                 "height": subtitle_size + 15,
                 "fill": "#ffffff",
-                "shadow": {
-                    "color": "rgba(0, 0, 0, 0.7)",
-                    "blur": 5,
-                    "offsetX": 2,
-                    "offsetY": 2
-                },
+                "shadow": "rgba(0, 0, 0, 0.7) 2px 2px 5px",
                 "fontFamily": "Arial, sans-serif",
                 "fontWeight": "normal",
                 "fontSize": subtitle_size,
@@ -1296,12 +1280,7 @@ class PosterService:
                 "width": column_width,
                 "height": price_size + 20,
                 "fill": "#ffffff",
-                "shadow": {
-                    "color": "rgba(0, 0, 0, 0.7)",
-                    "blur": 5,
-                    "offsetX": 2,
-                    "offsetY": 2
-                },
+                "shadow": "rgba(0, 0, 0, 0.7) 2px 2px 5px",
                 "fontFamily": "Arial Black, sans-serif",
                 "fontWeight": "bold",
                 "fontSize": price_size,
@@ -1350,12 +1329,7 @@ class PosterService:
                     "width": column_width,
                     "height": ticket_size + 10,
                     "fill": "#ffffff",
-                    "shadow": {
-                        "color": "rgba(0, 0, 0, 0.5)",
-                        "blur": 3,
-                        "offsetX": 1,
-                        "offsetY": 1
-                    },
+                    "shadow": "rgba(0, 0, 0, 0.5) 1px 1px 3px",
                     "fontFamily": "Arial, sans-serif",
                     "fontWeight": "normal",
                     "fontSize": ticket_size,