diff --git a/src/store/groupEvolution/index.js b/src/store/groupEvolution/index.js
index 4c07436..bd67fd3 100644
--- a/src/store/groupEvolution/index.js
+++ b/src/store/groupEvolution/index.js
@@ -463,9 +463,9 @@ export const useGroupStructureStore = defineStore("groupStructure", {
         chart: {
           xAxisData: item.chart.xaxisData.map((item) => utcStringToHHMMSS(item)),
           yAxisRange: {
-            min: 0,
-            max: Math.ceil(item.chart.yaxisRange.max / 5) * 5,
-            interval: Math.ceil(item.chart.yaxisRange.max / 5)
+            min: item.name === '内部密度指数演化' ? 20.0 : 0,
+            max: item.name === '内部密度指数演化' ?  20.5 : Math.ceil(item.chart.yaxisRange.max / 5) * 5,
+            interval: item.name === '内部密度指数演化' ? 0.1 : Math.ceil(item.chart.yaxisRange.max / 5)
           },
           seriesList: item.chart.seriesList.map((item) => ({
             data: item.data,
@@ -480,9 +480,9 @@ export const useGroupStructureStore = defineStore("groupStructure", {
         chart: {
           xAxisData: item.chart.xaxisData.map((item) => utcStringToHHMMSS(item)),
           yAxisRange: {
-            min: 0,
-            max: Math.ceil(item.chart.yaxisRange.max / 5) * 5,
-            interval: Math.ceil(item.chart.yaxisRange.max / 5)
+            min: item.name === '内部密度指数演化' ? 20.0 : 0,
+            max: item.name === '内部密度指数演化' ?  20.5 : Math.ceil(item.chart.yaxisRange.max / 5) * 5,
+            interval: item.name === '内部密度指数演化' ? 0.1 : Math.ceil(item.chart.yaxisRange.max / 5)
           },
           seriesList: item.chart.seriesList.map((item) => ({
             data: item.data,
@@ -497,9 +497,9 @@ export const useGroupStructureStore = defineStore("groupStructure", {
         chart: {
           xAxisData: item.chart.xaxisData.map((item) => utcStringToHHMMSS(item)),
           yAxisRange: {
-            min: 0,
-            max: Math.ceil(item.chart.yaxisRange.max / 5) * 5,
-            interval: Math.ceil(item.chart.yaxisRange.max / 5)
+            min: item.name === '内部密度指数演化' ? 20.0 : 0,
+            max: item.name === '内部密度指数演化' ?  20.5 : Math.ceil(item.chart.yaxisRange.max / 5) * 5,
+            interval: item.name === '内部密度指数演化' ? 0.1 : Math.ceil(item.chart.yaxisRange.max / 5)
           },
           seriesList: item.chart.seriesList.map((item) => ({
             data: item.data,
@@ -626,9 +626,9 @@ export const useGroupMemberStore = defineStore("groupMember", {
         chart: {
           xAxisData: item.chart.xaxisData.map((item) => utcStringToHHMMSS(item)),
           yAxisRange: {
-            min: 0,
-            max: Math.ceil(item.chart.yaxisRange.max / 5) * 5,
-            interval: Math.ceil(item.chart.yaxisRange.max / 5)
+            min: item.name ==='合并演化' || item.name ==='扩展演化' ? 20.00 : 0,
+            max: item.name ==='合并演化' || item.name ==='扩展演化' ? 20.03 : Math.ceil(item.chart.yaxisRange.max / 5) * 5,
+            interval: item.name ==='合并演化' || item.name ==='扩展演化' ? 0.006 : Math.ceil(item.chart.yaxisRange.max / 5)
           },
           seriesList: item.chart.seriesList.map((item) => ({
             data: item.data.map((item) => item.toFixed(2)),
@@ -644,9 +644,9 @@ export const useGroupMemberStore = defineStore("groupMember", {
         chart: {
           xAxisData: item.chart.xaxisData.map((item) => utcStringToHHMMSS(item)),
           yAxisRange: {
-            min: 0,
-            max: Math.ceil(item.chart.yaxisRange.max / 5) * 5,
-            interval: Math.ceil(item.chart.yaxisRange.max / 5)
+            min: item.name ==='合并演化' || item.name ==='扩展演化' ? 20.00 : 0,
+            max: item.name ==='合并演化' || item.name ==='扩展演化' ? 20.03 : Math.ceil(item.chart.yaxisRange.max / 5) * 5,
+            interval: item.name ==='合并演化' || item.name ==='扩展演化' ? 0.006 : Math.ceil(item.chart.yaxisRange.max / 5)
           },
           seriesList: item.chart.seriesList.map((item) => ({
             data: item.data.map((item) => item.toFixed(2)),
@@ -662,9 +662,9 @@ export const useGroupMemberStore = defineStore("groupMember", {
         chart: {
           xAxisData: item.chart.xaxisData.map((item) => utcStringToHHMMSS(item)),
           yAxisRange: {
-            min: 0,
-            max: Math.ceil(item.chart.yaxisRange.max / 5) * 5,
-            interval: Math.ceil(item.chart.yaxisRange.max / 5)
+            min: item.name ==='合并演化' ? 20.00 : 0,
+            max: item.name ==='合并演化' ? 20.03 : Math.ceil(item.chart.yaxisRange.max / 5) * 5,
+            interval: item.name ==='合并演化' ? 0.006 : Math.ceil(item.chart.yaxisRange.max / 5)
           },
           seriesList: item.chart.seriesList.map((item) => ({
             data: item.data.map((item) => item.toFixed(2)),
diff --git a/src/views/GroupEvolution/groupStructure/components/groupAnalysis.vue b/src/views/GroupEvolution/groupStructure/components/groupAnalysis.vue
index 4f8108f..472001c 100644
--- a/src/views/GroupEvolution/groupStructure/components/groupAnalysis.vue
+++ b/src/views/GroupEvolution/groupStructure/components/groupAnalysis.vue
@@ -29,9 +29,9 @@
 <script setup>
 import { defineProps, onMounted, ref, watch } from "vue";
 import GroupChart from "../../component/groupChart.vue";
-const curSelectedTab = ref("头部自媒体");
+const curSelectedTab = ref("群体一");
 const curSelectedTabData = ref(null);
-const tabs = ["头部自媒体", "官方媒体", "普通自媒体"];
+const tabs = ["群体一", "群体二", "群体三"];
 const props = defineProps({
   title: {
     type: String,
@@ -50,9 +50,9 @@ watch(
     // 当chartsData加载完成且不为空时，更新当前选中标签的数据
     if (newVal && Object.keys(newVal).length > 0) {
       const keyMapList = {
-       头部自媒体: "topSelfMedia",
-       官方媒体: "officalMedia",
-       普通自媒体: "ordinaryMedia"
+       群体一: "topSelfMedia",
+       群体二: "officalMedia",
+       群体三: "ordinaryMedia"
       };
       const currentKey = keyMapList[curSelectedTab.value];
       if (newVal[currentKey]) {
@@ -67,15 +67,16 @@ watch(
 const handleSwitch = (item) => {
   curSelectedTab.value = item;
   const keyMapList = {
-    头部自媒体: "topSelfMedia",
-    官方媒体: "officalMedia",
-    普通自媒体: "ordinaryMedia"
+    群体一: "topSelfMedia",
+    群体二: "officalMedia",
+    群体三: "ordinaryMedia"
   };
   curSelectedTabData.value = props.chartsData[keyMapList[item]];
 };
 
 onMounted(() => {
-  handleSwitch("头部自媒体");
+  handleSwitch("群体一");
+
 });
 </script>