diff --git a/src/app/OlMap/Controls/PropertyPanel.tsx b/src/app/OlMap/Controls/PropertyPanel.tsx
index eee1907..721fc03 100644
--- a/src/app/OlMap/Controls/PropertyPanel.tsx
+++ b/src/app/OlMap/Controls/PropertyPanel.tsx
@@ -50,7 +50,7 @@ const PropertyPanel: React.FC<PropertyPanelProps> = ({
     : 0;
 
   return (
-    <div className="absolute top-4 right-4 bg-white shadow-2xl rounded-xl overflow-hidden w-96 z-10 max-h[850px] flex flex-col backdrop-blur-sm opacity-95 hover:opacity-100 transition-all duration-300">
+    <div className="absolute top-4 right-4 bg-white shadow-2xl rounded-xl overflow-hidden w-96 max-h-[850px] flex flex-col backdrop-blur-sm z-50 opacity-95 hover:opacity-100 transition-all duration-300 ">
       {/* 头部 */}
       <div className="flex justify-between items-center px-5 py-4 bg-[#257DD4] text-white">
         <div className="flex items-center gap-2">
diff --git a/src/app/OlMap/Controls/StyleEditorPanel.tsx b/src/app/OlMap/Controls/StyleEditorPanel.tsx
index 14120a9..a55b852 100644
--- a/src/app/OlMap/Controls/StyleEditorPanel.tsx
+++ b/src/app/OlMap/Controls/StyleEditorPanel.tsx
@@ -31,6 +31,7 @@ import { parseColor } from "@utils/parseColor";
 import { VectorTile } from "ol";
 import { useNotification } from "@refinedev/core";
 import { config } from "@/config/config";
+import { constructNow, min } from "date-fns";
 
 interface StyleConfig {
   property: string;
@@ -401,8 +402,8 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
         junctionStyleConfigState?.styleConfig.classificationMethod ===
         "custom_breaks"
       ) {
-        // 使用自定义断点（保证为 segments + 1 个断点，按升序）
-        const desired = segments + 1;
+        // 使用自定义断点（保证为 segments 个断点，按升序）
+        const desired = segments;
         breaks = (
           junctionStyleConfigState?.styleConfig.customBreaks || []
         ).slice(0, desired);
@@ -412,6 +413,7 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
         // 如果不足则补齐最后一个值
         while (breaks.length < desired)
           breaks.push(breaks[breaks.length - 1] ?? 0);
+        console.log(breaks);
       } else {
         const calc = calculateClassification(
           currentJunctionCalData.map((d) => d.value),
@@ -424,6 +426,21 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
         console.warn("计算的 breaks 为空，无法应用样式");
         return;
       }
+      // 计算最大最小值,判断是否包含并插入 breaks
+      const data = currentJunctionCalData.map((d) => d.value);
+      const min_val = Math.max(
+        data.reduce((min, val) => Math.min(min, val), Infinity),
+        0
+      );
+      const max_val = data.reduce((max, val) => Math.max(max, val), -Infinity);
+      if (breaks.includes(min_val) === false) {
+        breaks.push(min_val);
+        breaks.sort((a, b) => a - b);
+      }
+      if (breaks.includes(max_val) === false) {
+        breaks.push(max_val);
+        breaks.sort((a, b) => a - b);
+      }
       if (junctionStyleConfigState)
         applyLayerStyle(junctionStyleConfigState, breaks);
     } else if (
@@ -442,8 +459,8 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
         pipeStyleConfigState?.styleConfig.classificationMethod ===
         "custom_breaks"
       ) {
-        // 使用自定义断点（保证为 segments + 1 个断点，按升序）
-        const desired = segments + 1;
+        // 使用自定义断点（保证为 segments 个断点，按升序）
+        const desired = segments;
         breaks = (pipeStyleConfigState?.styleConfig.customBreaks || []).slice(
           0,
           desired
@@ -460,6 +477,25 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
         );
         breaks = calc;
       }
+      if (breaks.length === 0) {
+        console.warn("计算的 breaks 为空，无法应用样式");
+        return;
+      }
+      // 计算最大最小值,判断是否包含并插入 breaks
+      const data = currentPipeCalData.map((d) => d.value);
+      const min_val = Math.max(
+        data.reduce((min, val) => Math.min(min, val), Infinity),
+        0
+      );
+      const max_val = data.reduce((max, val) => Math.max(max, val), -Infinity);
+      if (breaks.includes(min_val) === false) {
+        breaks.push(min_val);
+        breaks.sort((a, b) => a - b);
+      }
+      if (breaks.includes(max_val) === false) {
+        breaks.push(max_val);
+        breaks.sort((a, b) => a - b);
+      }
       if (pipeStyleConfigState) applyLayerStyle(pipeStyleConfigState, breaks);
     }
   };
@@ -497,10 +533,15 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
         : (() => {
             // 自定义颜色
             const custom = styleConfig.customColors || [];
-            // 如果自定义颜色数量不足，用默认颜色补齐（这里简单用红色，或者重复最后一个）
+            // 如果自定义颜色数量不足，用反向彩虹色填充
             const result = [...custom];
+            const reverseRainbowColors = RAINBOW_PALETTES[1].colors;
             while (result.length < breaksLength) {
-              result.push(result[result.length - 1] || "rgba(255, 0, 0, 1)");
+              result.push(
+                reverseRainbowColors[
+                  (result.length - custom.length) % reverseRainbowColors.length
+                ]
+              );
             }
             return result.slice(0, breaksLength);
           })();
@@ -531,17 +572,17 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
     // 动态生成颜色条件表达式
     const generateColorConditions = (property: string): any[] => {
       const conditions: any[] = ["case"];
-      for (let i = 0; i < breaks.length; i++) {
+      for (let i = 1; i < breaks.length; i++) {
         // 添加条件：属性值 <= 当前断点
         conditions.push(["<=", ["get", property], breaks[i]]);
         // 添加对应的颜色值
-        const colorObj = parseColor(colors[i]);
+        const colorObj = parseColor(colors[i - 1]);
         const color = `rgba(${colorObj.r}, ${colorObj.g}, ${colorObj.b}, ${styleConfig.opacity})`;
         conditions.push(color);
       }
-      const colorObj = parseColor(colors[colors.length - 1]);
+      const colorObj = parseColor(colors[0]);
       const color = `rgba(${colorObj.r}, ${colorObj.g}, ${colorObj.b}, ${styleConfig.opacity})`;
-      // 添加默认值（最后一个颜色）
+      // 添加默认值（首个颜色）
       conditions.push(color);
       return conditions;
     };
diff --git a/src/app/OlMap/Controls/StyleLegend.tsx b/src/app/OlMap/Controls/StyleLegend.tsx
index 1c3aa87..1ef83a4 100644
--- a/src/app/OlMap/Controls/StyleLegend.tsx
+++ b/src/app/OlMap/Controls/StyleLegend.tsx
@@ -36,38 +36,38 @@ const StyleLegend: React.FC<LegendStyleConfig> = ({
         const color = colors[index]; // 默认颜色为黑色
         const dimension = dimensions[index]; // 默认尺寸为16
 
-        // 处理第一个区间（小于 breaks[0]）
-        if (index === 0) {
-          return (
-            <Box key={index} className="flex items-center gap-2 mb-1">
-              <Box
-                sx={
-                  type === "point"
-                    ? {
-                        width: dimension,
-                        height: dimension,
-                        borderRadius: "50%",
-                        backgroundColor: color,
-                      }
-                    : {
-                        width: 16,
-                        height: dimension,
-                        backgroundColor: color,
-                        border: `1px solid ${color}`,
-                      }
-                }
-              />
-              <Typography variant="caption" className="text-xs">
-                {"<"} {breaks[0]?.toFixed(1)}
-              </Typography>
-            </Box>
-          );
-        }
+        // // 处理第一个区间（小于 breaks[0]）
+        // if (index === 0) {
+        //   return (
+        //     <Box key={index} className="flex items-center gap-2 mb-1">
+        //       <Box
+        //         sx={
+        //           type === "point"
+        //             ? {
+        //                 width: dimension,
+        //                 height: dimension,
+        //                 borderRadius: "50%",
+        //                 backgroundColor: color,
+        //               }
+        //             : {
+        //                 width: 16,
+        //                 height: dimension,
+        //                 backgroundColor: color,
+        //                 border: `1px solid ${color}`,
+        //               }
+        //         }
+        //       />
+        //       <Typography variant="caption" className="text-xs">
+        //         {"<"} {breaks[0]?.toFixed(1)}
+        //       </Typography>
+        //     </Box>
+        //   );
+        // }
 
-        // 处理中间区间（breaks[index-1] - breaks[index]）
-        if (index < breaks.length) {
-          const prevValue = breaks[index - 1];
-          const currentValue = breaks[index];
+        // 处理中间区间（breaks[index] - breaks[index + 1]）
+        if (index + 1 < breaks.length) {
+          const prevValue = breaks[index];
+          const currentValue = breaks[index + 1];
           return (
             <Box key={index} className="flex items-center gap-2 mb-1">
               <Box