diff --git a/src/chart/helper/Line.js b/src/chart/helper/Line.js
index 7824751c5f..260fa36d52 100644
--- a/src/chart/helper/Line.js
+++ b/src/chart/helper/Line.js
@@ -57,8 +57,8 @@ function createSymbol(name, lineData, idx) {
     );
 
     // rotate by default if symbolRotate is not specified or NaN
-    symbolPath.rotation = symbolRotate == null || isNaN(symbolRotate)
-        ? undefined
+    symbolPath.__specifiedRotation = symbolRotate == null || isNaN(symbolRotate)
+        ? void 0
         : +symbolRotate * Math.PI / 180 || 0;
     symbolPath.name = name;
 
@@ -131,13 +131,16 @@ function updateSymbolAndLabelBeforeLineUpdate() {
         // when symbol is set to be 'arrow' in markLine,
         // symbolRotate value will be ignored, and compulsively use tangent angle.
         // rotate by default if symbol rotation is not specified
-        if (symbolFrom.rotation == null
-            || (symbolFrom.shape && symbolFrom.shape.symbolType === 'arrow')) {
+        var specifiedRotation = symbolFrom.__specifiedRotation;
+        if (specifiedRotation == null) {
             var tangent = line.tangentAt(0);
             symbolFrom.attr('rotation', Math.PI / 2 - Math.atan2(
                 tangent[1], tangent[0]
             ));
         }
+        else {
+            symbolFrom.attr('rotation', specifiedRotation);
+        }
         symbolFrom.attr('scale', [invScale * percent, invScale * percent]);
     }
     if (symbolTo) {
@@ -146,13 +149,16 @@ function updateSymbolAndLabelBeforeLineUpdate() {
         // when symbol is set to be 'arrow' in markLine,
         // symbolRotate value will be ignored, and compulsively use tangent angle.
         // rotate by default if symbol rotation is not specified
-        if (symbolTo.rotation == null
-            || (symbolTo.shape && symbolTo.shape.symbolType === 'arrow')) {
+        var specifiedRotation = symbolTo.__specifiedRotation;
+        if (specifiedRotation == null) {
             var tangent = line.tangentAt(1);
             symbolTo.attr('rotation', -Math.PI / 2 - Math.atan2(
                 tangent[1], tangent[0]
             ));
         }
+        else {
+            symbolTo.attr('rotation', specifiedRotation);
+        }
         symbolTo.attr('scale', [invScale * percent, invScale * percent]);
     }
 
diff --git a/test/markLine-symbolRotate.html b/test/markLine-symbolRotate.html
index 96bd4b138a..1a5afd5381 100644
--- a/test/markLine-symbolRotate.html
+++ b/test/markLine-symbolRotate.html
@@ -118,6 +118,10 @@
                                 silent: true,
                                 // symbol: 'triangle',
                                 data: [
+                                [
+                                    {name: 'rotation not specified', coord: ['2014-06-20', 300], symbol: 'arrow'},
+                                    {coord: ['2014-07-18', 320], symbol: 'triangle'}
+                                ],
                                 {
                                     yAxis: 50,
                                     // symbolRotate: 0,
@@ -133,15 +137,18 @@
                                     yAxis: 150,
                                     symbol: 'roundRect',
                                     symbolRotate: 40
-                                }, {
+                                },
+                                {
                                     yAxis: 200,
                                     symbol: 'diamond',
-                                    symbolRotate: 70
-                                }, {
+                                    symbolRotate: 45
+                                },
+                                {
                                     yAxis: 250,
                                     symbol: 'pin',
                                     symbolRotate: 45
-                                }, {
+                                },
+                                {
                                     yAxis: 300,
                                     symbol: 'circle',
                                     symbolRotate: 90
@@ -162,7 +169,9 @@
                                     lineStyle: {
                                         color: '#14c4ba'
                                     }
-                                }]]
+                                }
+                                ]
+                                ]
                             }
                         }]
                     };