diff --git a/en/option/partial/item-style.md b/en/option/partial/item-style.md
index 2847f28c1..329085bb4 100644
--- a/en/option/partial/item-style.md
+++ b/en/option/partial/item-style.md
@@ -68,4 +68,3 @@ ${defaultBorderWidthDesc|default((${name} ? ${name} : "") + " border width. No b
     prefix = '#' + ${prefix}
 ) }}
 {{ /if }}
-
diff --git a/en/option/series/sankey.md b/en/option/series/sankey.md
index c7dcf651e..e4db3567a 100644
--- a/en/option/series/sankey.md
+++ b/en/option/series/sankey.md
@@ -201,10 +201,15 @@ The style of node rectangle in Sankey diagram.
     prefix = "##",
     useColorPalatte = true,
     defaultBorderWidth = 1,
-    defaultBorderColor = "'#aaa'",
+    defaultBorderColor = "'none'",
     useDecal = true
 ) }}
 
+{{ use: partial-border-radius(
+    prefix = "##",
+    version = "5.5.1"
+) }}
+
 ## lineStyle(Object)
 
 The edge style of Sankey diagram
@@ -302,7 +307,14 @@ The style of this node.
 {{ use: partial-item-style(
     prefix = "###",
     useColorPalatte = true,
-    useDecal = true
+    useDecal = true,
+    defaultBorderWidth = 1,
+    defaultBorderColor = "'none'"
+) }}
+
+{{ use: partial-border-radius(
+    prefix = "###",
+    version = "5.5.1"
 ) }}
 
 ### label(Object)
@@ -443,7 +455,7 @@ Equals to [links](~series-sankey.links)
 
 {{ target: partial-sankey-line-style }}
 
-#${prefix} color(Color) = "'#314656'"
+#${prefix} color(Color) = '#314656'
 
 The color of the edge in Sankey diagram.
 
@@ -480,7 +492,9 @@ The curveness of the edge in Sankey diagram.
 {{ use: partial-item-style(
     prefix = "#" + ${prefix},
     useDecal = true,
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultBorderColor = ${state} === 'select' ? "'#212121'" : "'none'",
+    defaultBorderWidth = 1
 ) }}
 
 
@@ -504,14 +518,17 @@ The curveness of the edge in Sankey diagram.
 
 {{ use: partial-item-style(
     prefix = "#" + ${prefix},
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultBorderColor = ${state} === 'select' ? "'#212121'" : "'none'",
+    defaultBorderWidth = 1
 ) }}
 
 #${prefix} lineStyle(Object)
 
 {{ use: partial-sankey-line-style(
     prefix = "#" + ${prefix},
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultOpacity = ${state} === 'emphasis' ? 0.5 : null
 ) }}
 
 
@@ -530,7 +547,8 @@ The line style of edge.
 
 {{ use: partial-sankey-line-style(
     prefix = "#" + ${prefix},
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultOpacity = ${state} === 'emphasis' ? 0.5 : null
 ) }}
 
 
@@ -541,7 +559,7 @@ The line style of edge.
     version = "5.4.1"
 ) }}
 
-The label style of each edge/link. 
+The label style of each edge/link.
 
 {{ use: partial-label(
     prefix = ${prefix},
diff --git a/zh/option/partial/item-style.md b/zh/option/partial/item-style.md
index 5baa688f0..be4c54326 100644
--- a/zh/option/partial/item-style.md
+++ b/zh/option/partial/item-style.md
@@ -66,4 +66,3 @@ ${defaultBorderWidthDesc|default((${name} ? ${name} : "") + "描边线宽。为
     prefix = '#' + ${prefix}
 ) }}
 {{ /if }}
-
diff --git a/zh/option/series/sankey.md b/zh/option/series/sankey.md
index 1590201f8..4365d87db 100644
--- a/zh/option/series/sankey.md
+++ b/zh/option/series/sankey.md
@@ -204,10 +204,15 @@ levels: [{
     prefix = "##",
     useColorPalatte = true,
     defaultBorderWidth = 1,
-    defaultBorderColor = "'#aaa'",
+    defaultBorderColor = "'none'",
     useDecal = true
 ) }}
 
+{{ use: partial-border-radius(
+    prefix = "##",
+    version = "5.5.1"
+) }}
+
 ## lineStyle(Object)
 
 桑基图边的样式
@@ -305,7 +310,14 @@ data: [{
 {{ use: partial-item-style(
     prefix = "###",
     useColorPalatte = true,
-    useDecal = true
+    useDecal = true,
+    defaultBorderWidth = 1,
+    defaultBorderColor = "'none'"
+) }}
+
+{{ use: partial-border-radius(
+    prefix = "###",
+    version = "5.5.1"
 ) }}
 
 ### label(Object)
@@ -454,7 +466,7 @@ links: [{
 + `'target'`: 使用目标节点颜色。
 + `'gradient'`: 以源节点和目标节点的颜色做一个渐变过渡色。(从 v5.0.0 开始支持)
 
-#${prefix} opacity(number) = 0.2
+#${prefix} opacity(number) = ${defaultOpacity|default(0.2)}
 
 桑基图边的透明度。
 
@@ -483,7 +495,9 @@ links: [{
 {{ use: partial-item-style(
     prefix = "#" + ${prefix},
     useDecal = true,
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultBorderColor = ${state} === 'select' ? "'#212121'" : "'none'",
+    defaultBorderWidth = 1
 ) }}
 
 
@@ -507,14 +521,17 @@ links: [{
 
 {{ use: partial-item-style(
     prefix = "#" + ${prefix},
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultBorderColor = ${state} === 'select' ? "'#212121'" : "'none'",
+    defaultBorderWidth = 1
 ) }}
 
 #${prefix} lineStyle(Object)
 
 {{ use: partial-sankey-line-style(
     prefix = "#" + ${prefix},
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultOpacity = ${state} === 'emphasis' ? 0.5 : null
 ) }}
 
 
@@ -533,7 +550,8 @@ links: [{
 
 {{ use: partial-sankey-line-style(
     prefix = "#" + ${prefix},
-    hasInherit = ${state} === 'emphasis'
+    hasInherit = ${state} === 'emphasis',
+    defaultOpacity = ${state} === 'emphasis' ? 0.5 : null
 ) }}