diff --git a/backend/src/main/java/io/dataease/auth/service/impl/ShiroServiceImpl.java b/backend/src/main/java/io/dataease/auth/service/impl/ShiroServiceImpl.java
index c12a511e21..68c20a92f2 100644
--- a/backend/src/main/java/io/dataease/auth/service/impl/ShiroServiceImpl.java
+++ b/backend/src/main/java/io/dataease/auth/service/impl/ShiroServiceImpl.java
@@ -44,9 +44,9 @@ public class ShiroServiceImpl implements ShiroService {
 
         //验证链接
         filterChainDefinitionMap.put("/api/link/validate**", ANON);
+        filterChainDefinitionMap.put("/api/map/areaEntitys/**", ANON);
 
-
-
+        filterChainDefinitionMap.put("/**/*.json", ANON);
         filterChainDefinitionMap.put("/system/ui/**", ANON);
         filterChainDefinitionMap.put("/**/*.js", ANON);
         filterChainDefinitionMap.put("/**/*.css", ANON);
diff --git a/frontend/src/views/chart/chart/map/map.js b/frontend/src/views/chart/chart/map/map.js
index a336f534e7..e945d23c31 100644
--- a/frontend/src/views/chart/chart/map/map.js
+++ b/frontend/src/views/chart/chart/map/map.js
@@ -39,6 +39,10 @@ export function baseMapOption(chart_option, chart) {
       })
       chart_option.visualMap.min = Math.min(...values)
       chart_option.visualMap.max = Math.max(...values)
+      if (chart_option.visualMap.min === chart_option.visualMap.max) {
+        chart_option.visualMap.min = 0
+      }
+
       if (customAttr.color && customAttr.color.colors) {
         chart_option.visualMap.inRange.color = customAttr.color.colors
       }
diff --git a/frontend/src/views/chart/view/ChartEdit.vue b/frontend/src/views/chart/view/ChartEdit.vue
index e8e0746700..ca061f74fd 100644
--- a/frontend/src/views/chart/view/ChartEdit.vue
+++ b/frontend/src/views/chart/view/ChartEdit.vue
@@ -1023,7 +1023,7 @@ export default {
           if (!response.data.drill) {
             this.drillClickDimensionList.splice(this.drillClickDimensionList.length - 1, 1)
           }
-          this.drillFilters = JSON.parse(JSON.stringify(response.data.drillFilters))
+          this.drillFilters = JSON.parse(JSON.stringify(response.data.drillFilters ? response.data.drillFilters : []))
         }).catch(err => {
           this.resetView()
           this.resetDrill()