diff --git a/src/chart/line/LineView.ts b/src/chart/line/LineView.ts
index deebe66e22..8e317023d8 100644
--- a/src/chart/line/LineView.ts
+++ b/src/chart/line/LineView.ts
@@ -132,7 +132,7 @@ function getStackedOnPoints(
     data: SeriesData,
     dataCoordInfo: ReturnType<typeof prepareDataCoordInfo>
 ) {
-    if (!dataCoordInfo.valueDim) {
+    if (dataCoordInfo.valueDim == null) {
         return [];
     }
 
diff --git a/test/line-area-empty-dimension-name.html b/test/line-area-empty-dimension-name.html
new file mode 100644
index 0000000000..9d0b41eb43
--- /dev/null
+++ b/test/line-area-empty-dimension-name.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Line Area Empty Dimension Name Test</title>
+    <script src="lib/simpleRequire.js"></script>
+    <script src="lib/config.js"></script>
+</head>
+<body>
+    <style>
+        html, body, #main {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+        }
+    </style>
+    
+    <div id="main"></div>
+    
+    <script>
+        require(['echarts'], function (echarts) {
+            var chart = echarts.init(document.getElementById('main'));
+            
+            var option = {
+                title: {
+                    text: 'Line Area with Empty Dimension Name',
+                    left: 'center'
+                },
+                dataset: [{
+                    dimensions: [
+                        'x',
+                        {
+                            name: '', // Empty dimension name for area test
+                        }
+                    ],
+                    source: [
+                        [1, 20],
+                        [2, 10],
+                        [3, 25],
+                        [4, 15],
+                        [5, 18]
+                    ]
+                }],
+                xAxis: {
+                    type: 'category'
+                },
+                yAxis: {
+                    type: 'value'
+                },
+                series: [{
+                    type: 'line',
+                    areaStyle: {}
+                }]
+            };
+            
+            chart.setOption(option);
+        });
+    </script>
+</body>
+</html>
