diff --git a/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java b/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
index 9b2689d..b5b323b 100644
--- a/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
+++ b/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
@@ -41,7 +41,10 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
     @Override
     public void addResourceHandlers(ResourceHandlerRegistry registry) {
         registry.addResourceHandler("/**")
-                .addResourceLocations("file:" + upLoadPath + "//", "file:" + webAppPath + "//")
+                //update-begin-author:taoyan date:20211116 for: jeecg.path.webapp配置无效 #3126
+                .addResourceLocations("file:" + upLoadPath + "//")
+                .addResourceLocations("file:" + webAppPath + "//")
+                //update-end-author:taoyan date:20211116 for: jeecg.path.webapp配置无效 #3126
                 .addResourceLocations(staticLocations.split(","));
     }
 
@@ -72,9 +75,9 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
     }
 
     /**
-    * 添加Long转json精度丢失的配置
-    * @Return: void
-    */
+     * 添加Long转json精度丢失的配置
+     * @Return: void
+     */
     @Override
     public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
         MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
diff --git a/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/system/mapper/xml/SysDictMapper.xml b/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/system/mapper/xml/SysDictMapper.xml
index 15d8f5d..58539d3 100644
--- a/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/system/mapper/xml/SysDictMapper.xml
+++ b/jeecg-boot/jeecg-boot-module-system/src/main/java/org/jeecg/modules/system/mapper/xml/SysDictMapper.xml
@@ -126,9 +126,11 @@
 	<select id="queryTreeList" parameterType="Object" resultType="org.jeecg.modules.system.model.TreeSelectModel">
 		select ${text} as "title",
 			   ${code} as "key",
+				<!-- udapte-begin-author:taoyan date:20211115 for: 自定义树控件只显示父节点，子节点无法展开 (此处还原不可再改) /issues/I4HZAL -->
 			   <if test="hasChildField != null and hasChildField != ''">
-			   ${hasChildField} as "isLeaf",
+			   	(case when ${hasChildField} = '1' then 0 else 1 end) as isLeaf,
 			   </if>
+				<!-- udapte-end-author:taoyan date:20211115 for: 自定义树控件只显示父节点，子节点无法展开 (此处还原不可再改) /issues/I4HZAL -->
 			   ${pidField} as parentId
 			   from ${table}
 			   where