diff --git a/public/complex-luopan.json b/public/complex-luopan.json
deleted file mode 100644
index c2e6ecf..0000000
--- a/public/complex-luopan.json
+++ /dev/null
@@ -1,193 +0,0 @@
-{
-  "name": "传统风水罗盘（完整版）",
-  "description": "24层复杂罗盘配置，包含天干地支、八卦、二十四山、六十甲子等",
-  "theme": "chinese",
-  "outerRadius": 500,
-  "layers": [
-    {
-      "divisions": 2,
-      "rInner": 0,
-      "rOuter": 30,
-      "sectors": [
-        { "content": "阴", "fillColor": "#000000", "textColor": "#FFFFFF" },
-        { "content": "阳", "fillColor": "#FFFFFF", "textColor": "#000000" }
-      ]
-    },
-    {
-      "divisions": 4,
-      "rInner": 30,
-      "rOuter": 60,
-      "sectors": [
-        { "content": "少阳", "fillColor": "#FFD700" },
-        { "content": "太阳", "fillColor": "#FF0000", "textColor": "#FFFFFF" },
-        { "content": "少阴", "fillColor": "#32CD32" },
-        { "content": "太阴", "fillColor": "#0000FF", "textColor": "#FFFFFF" }
-      ]
-    },
-    {
-      "divisions": 8,
-      "rInner": 60,
-      "rOuter": 100,
-      "sectors": [
-        { "content": "乾☰", "fillColor": "#DC143C", "textColor": "#FFFFFF" },
-        { "content": "兑☱", "fillColor": "#FFD700", "textColor": "#000000" },
-        { "content": "离☲", "fillColor": "#FF6347", "textColor": "#FFFFFF" },
-        { "content": "震☳", "fillColor": "#32CD32", "textColor": "#000000" },
-        { "content": "巽☴", "fillColor": "#00A86B", "textColor": "#FFFFFF" },
-        { "content": "坎☵", "fillColor": "#4169E1", "textColor": "#FFFFFF" },
-        { "content": "艮☶", "fillColor": "#CD853F", "textColor": "#000000" },
-        { "content": "坤☷", "fillColor": "#8B4513", "textColor": "#FFFFFF" }
-      ]
-    },
-    {
-      "divisions": 12,
-      "rInner": 100,
-      "rOuter": 130,
-      "sectors": [
-        { "content": "子", "fillColor": "#4169E1", "textColor": "#FFFFFF" },
-        { "content": "丑", "fillColor": "#8B4513", "textColor": "#FFFFFF" },
-        { "content": "寅", "fillColor": "#228B22", "textColor": "#FFFFFF" },
-        { "content": "卯", "fillColor": "#00A86B", "textColor": "#FFFFFF" },
-        { "content": "辰", "fillColor": "#8B7355", "textColor": "#FFFFFF" },
-        { "content": "巳", "fillColor": "#FF4500", "textColor": "#FFFFFF" },
-        { "content": "午", "fillColor": "#DC143C", "textColor": "#FFFFFF" },
-        { "content": "未", "fillColor": "#8B4513", "textColor": "#FFFFFF" },
-        { "content": "申", "fillColor": "#FFD700", "textColor": "#000000" },
-        { "content": "酉", "fillColor": "#FFA500", "textColor": "#000000" },
-        { "content": "戌", "fillColor": "#8B7355", "textColor": "#FFFFFF" },
-        { "content": "亥", "fillColor": "#000080", "textColor": "#FFFFFF" }
-      ]
-    },
-    {
-      "divisions": 24,
-      "rInner": 130,
-      "rOuter": 170,
-      "sectors": [
-        { "content": "壬" }, { "content": "子" }, { "content": "癸" },
-        { "content": "丑" }, { "content": "艮" }, { "content": "寅" },
-        { "content": "甲" }, { "content": "卯" }, { "content": "乙" },
-        { "content": "辰" }, { "content": "巽" }, { "content": "巳" },
-        { "content": "丙" }, { "content": "午" }, { "content": "丁" },
-        { "content": "未" }, { "content": "坤" }, { "content": "申" },
-        { "content": "庚" }, { "content": "酉" }, { "content": "辛" },
-        { "content": "戌" }, { "content": "乾" }, { "content": "亥" }
-      ],
-      "colorMode": "alternating",
-      "alternatingColors": ["#FFF9C4", "#FFCCBC"]
-    },
-    {
-      "divisions": 60,
-      "rInner": 170,
-      "rOuter": 210,
-      "sectors": [
-        { "content": "甲子" }, { "content": "乙丑" }, { "content": "丙寅" }, { "content": "丁卯" }, { "content": "戊辰" },
-        { "content": "己巳" }, { "content": "庚午" }, { "content": "辛未" }, { "content": "壬申" }, { "content": "癸酉" },
-        { "content": "甲戌" }, { "content": "乙亥" }, { "content": "丙子" }, { "content": "丁丑" }, { "content": "戊寅" },
-        { "content": "己卯" }, { "content": "庚辰" }, { "content": "辛巳" }, { "content": "壬午" }, { "content": "癸未" },
-        { "content": "甲申" }, { "content": "乙酉" }, { "content": "丙戌" }, { "content": "丁亥" }, { "content": "戊子" },
-        { "content": "己丑" }, { "content": "庚寅" }, { "content": "辛卯" }, { "content": "壬辰" }, { "content": "癸巳" },
-        { "content": "甲午" }, { "content": "乙未" }, { "content": "丙申" }, { "content": "丁酉" }, { "content": "戊戌" },
-        { "content": "己亥" }, { "content": "庚子" }, { "content": "辛丑" }, { "content": "壬寅" }, { "content": "癸卯" },
-        { "content": "甲辰" }, { "content": "乙巳" }, { "content": "丙午" }, { "content": "丁未" }, { "content": "戊申" },
-        { "content": "己酉" }, { "content": "庚戌" }, { "content": "辛亥" }, { "content": "壬子" }, { "content": "癸丑" },
-        { "content": "甲寅" }, { "content": "乙卯" }, { "content": "丙辰" }, { "content": "丁巳" }, { "content": "戊午" },
-        { "content": "己未" }, { "content": "庚申" }, { "content": "辛酉" }, { "content": "壬戌" }, { "content": "癸亥" }
-      ],
-      "colorMode": "alternating",
-      "alternatingColors": ["#FFE082", "#FFCC80", "#FFAB91"]
-    },
-    {
-      "divisions": 72,
-      "rInner": 210,
-      "rOuter": 250,
-      "sectors": [
-        { "content": "1" }, { "content": "2" }, { "content": "3" }, { "content": "4" }, { "content": "5" },
-        { "content": "6" }, { "content": "7" }, { "content": "8" }, { "content": "9" }, { "content": "10" },
-        { "content": "11" }, { "content": "12" }, { "content": "13" }, { "content": "14" }, { "content": "15" },
-        { "content": "16" }, { "content": "17" }, { "content": "18" }, { "content": "19" }, { "content": "20" },
-        { "content": "21" }, { "content": "22" }, { "content": "23" }, { "content": "24" }, { "content": "25" },
-        { "content": "26" }, { "content": "27" }, { "content": "28" }, { "content": "29" }, { "content": "30" },
-        { "content": "31" }, { "content": "32" }, { "content": "33" }, { "content": "34" }, { "content": "35" },
-        { "content": "36" }, { "content": "37" }, { "content": "38" }, { "content": "39" }, { "content": "40" },
-        { "content": "41" }, { "content": "42" }, { "content": "43" }, { "content": "44" }, { "content": "45" },
-        { "content": "46" }, { "content": "47" }, { "content": "48" }, { "content": "49" }, { "content": "50" },
-        { "content": "51" }, { "content": "52" }, { "content": "53" }, { "content": "54" }, { "content": "55" },
-        { "content": "56" }, { "content": "57" }, { "content": "58" }, { "content": "59" }, { "content": "60" },
-        { "content": "61" }, { "content": "62" }, { "content": "63" }, { "content": "64" }, { "content": "65" },
-        { "content": "66" }, { "content": "67" }, { "content": "68" }, { "content": "69" }, { "content": "70" },
-        { "content": "71" }, { "content": "72" }
-      ],
-      "colorMode": "solid",
-      "defaultFillColor": "#FFF59D"
-    },
-    {
-      "divisions": 120,
-      "rInner": 250,
-      "rOuter": 290,
-      "colorMode": "alternating",
-      "alternatingColors": ["#FFEB3B", "#FFC107"]
-    },
-    {
-      "divisions": 120,
-      "rInner": 290,
-      "rOuter": 320,
-      "colorMode": "solid",
-      "defaultFillColor": "#FFFDE7"
-    },
-    {
-      "divisions": 72,
-      "rInner": 320,
-      "rOuter": 350,
-      "sectors": [
-        { "content": "0" }, { "content": "5" }, { "content": "10" }, { "content": "15" },
-        { "content": "20" }, { "content": "25" }, { "content": "30" }, { "content": "35" },
-        { "content": "40" }, { "content": "45" }, { "content": "50" }, { "content": "55" },
-        { "content": "60" }, { "content": "65" }, { "content": "70" }, { "content": "75" },
-        { "content": "80" }, { "content": "85" }, { "content": "90" }, { "content": "95" },
-        { "content": "100" }, { "content": "105" }, { "content": "110" }, { "content": "115" },
-        { "content": "120" }, { "content": "125" }, { "content": "130" }, { "content": "135" },
-        { "content": "140" }, { "content": "145" }, { "content": "150" }, { "content": "155" },
-        { "content": "160" }, { "content": "165" }, { "content": "170" }, { "content": "175" },
-        { "content": "180" }, { "content": "185" }, { "content": "190" }, { "content": "195" },
-        { "content": "200" }, { "content": "205" }, { "content": "210" }, { "content": "215" },
-        { "content": "220" }, { "content": "225" }, { "content": "230" }, { "content": "235" },
-        { "content": "240" }, { "content": "245" }, { "content": "250" }, { "content": "255" },
-        { "content": "260" }, { "content": "265" }, { "content": "270" }, { "content": "275" },
-        { "content": "280" }, { "content": "285" }, { "content": "290" }, { "content": "295" },
-        { "content": "300" }, { "content": "305" }, { "content": "310" }, { "content": "315" },
-        { "content": "320" }, { "content": "325" }, { "content": "330" }, { "content": "335" },
-        { "content": "340" }, { "content": "345" }, { "content": "350" }, { "content": "355" }
-      ],
-      "colorMode": "solid",
-      "defaultFillColor": "#FFFDE7"
-    },
-    {
-      "divisions": 72,
-      "rInner": 350,
-      "rOuter": 380,
-      "colorMode": "alternating",
-      "alternatingColors": ["#FFD54F", "#FFF176"]
-    },
-    {
-      "divisions": 72,
-      "rInner": 380,
-      "rOuter": 420,
-      "colorMode": "solid",
-      "defaultFillColor": "#FFEB3B"
-    },
-    {
-      "divisions": 72,
-      "rInner": 420,
-      "rOuter": 460,
-      "colorMode": "alternating",
-      "alternatingColors": ["#FFD54F", "#FFCA28", "#FFC107"]
-    },
-    {
-      "divisions": 72,
-      "rInner": 460,
-      "rOuter": 500,
-      "colorMode": "solid",
-      "defaultFillColor": "#FFD54F"
-    }
-  ]
-}
diff --git a/src/assets/centericon.svg b/src/assets/centericon.svg
new file mode 100644
index 0000000..cb8c35c
--- /dev/null
+++ b/src/assets/centericon.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="130" height="130" fill="none" viewBox="0 0 130 130">
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+  <path fill="#B71313" d="M65.008 57.11a7.41 7.41 0 0 1 5.052 2.004l-5.17-32.5-4.933 32.467a7.46 7.46 0 0 1 5.051-1.97Zm-4.445 7.46a4.427 4.427 0 0 0 6.123 4.092 4.43 4.43 0 1 0-6.123-4.092Z"/>
+</svg>
diff --git a/todolist.md b/todolist.md
index a7bbcd7..cbf41db 100644
--- a/todolist.md
+++ b/todolist.md
@@ -1,4 +1,10 @@
 
+# 优化
+## 当前实现优化点
+1. 目前绘制罗盘代码的demo仅仅是为了测试工具类是否正确。以后统一使用json配置来实现罗盘绘制。
+2. 扇区的内容可以是是文字或者SVG图标，如为SVG，sectors的content中指定svg文件名，SVG布局规则同文字。
+3. 废弃目前颜色生成规则。使用在Json中严格配置。详见《Json文件配置》。总体规则是：优先级低到高分别是，全局背景色 - layer着色 - sectors着色。
+
 ## Json文件配置
 1. 扇区背景色着色原则：
    最高优先级，在layer中指定colorRef