diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
index e15853db..b83e70b0 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
@@ -415,7 +415,7 @@ public class SIPCommanderFroPlatform implements ISIPCommanderForPlatform {
 
                 Request request = headerProviderPlarformProvider.createNotifyRequest(parentPlatform, catalogXml.toString(), subscribeInfo.getToTag(), subscribeInfo.getFromTag(), callIdHeader);
                 transmitRequest(parentPlatform, request);
-                Thread.sleep(100);
+                Thread.sleep(10);
             } catch (SipException | ParseException | InvalidArgumentException e) {
                 e.printStackTrace();
                 return false;
@@ -459,7 +459,7 @@ public class SIPCommanderFroPlatform implements ISIPCommanderForPlatform {
 
                 Request request = headerProviderPlarformProvider.createNotifyRequest(parentPlatform, catalogXml.toString(), subscribeInfo.getToTag(), subscribeInfo.getFromTag(), callIdHeader);
                 transmitRequest(parentPlatform, request);
-                Thread.sleep(100);
+                Thread.sleep(200);
             } catch (SipException | ParseException | InvalidArgumentException e) {
                 e.printStackTrace();
                 return false;
diff --git a/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java b/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java
index 4929dad0..c486b42e 100644
--- a/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java
+++ b/src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/platform/PlatformController.java
@@ -407,6 +407,17 @@ public class PlatformController {
         if (logger.isDebugEnabled()) {
             logger.debug("删除目录,{}", id);
         }
+        // 如果删除的是默认目录则根目录设置为默认目录
+        PlatformCatalog catalog = storager.getCatalog(id);
+        if (catalog != null) {
+            ParentPlatform parentPlatform = storager.queryParentPlatByServerGBId(catalog.getPlatformId());
+            if (parentPlatform != null) {
+                if (id.equals(parentPlatform.getCatalogId())) {
+                    storager.setDefaultCatalog(parentPlatform.getServerGBId(), parentPlatform.getServerGBId());
+                }
+            }
+        }
+
         int delResult = storager.delCatalog(id);
         WVPResult<List<PlatformCatalog>> result = new WVPResult<>();
         result.setCode(0);
diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
index 02461612..d0c039c8 100644
--- a/src/main/resources/application-dev.yml
+++ b/src/main/resources/application-dev.yml
@@ -1,4 +1,9 @@
 spring:
+    # 上传文件大小限制
+    servlet:
+        multipart:
+            max-file-size: 10MB
+            max-request-size: 100MB
     # REDIS数据库配置
     redis:
         # [必须修改] Redis服务器IP, REDIS安装在本机的,使用127.0.0.1
diff --git a/src/main/resources/application-docker.yml b/src/main/resources/application-docker.yml
index 9e48bc58..56efb463 100644
--- a/src/main/resources/application-docker.yml
+++ b/src/main/resources/application-docker.yml
@@ -1,4 +1,9 @@
 spring:
+    # 上传文件大小限制
+    servlet:
+        multipart:
+            max-file-size: 10MB
+            max-request-size: 100MB
     # REDIS数据库配置
     redis:
         # [必须修改] Redis服务器IP, REDIS安装在本机的,使用127.0.0.1
diff --git a/web_src/src/components/dialog/chooseChannelForCatalog.vue b/web_src/src/components/dialog/chooseChannelForCatalog.vue
index 8446c2a6..4e4339f5 100644
--- a/web_src/src/components/dialog/chooseChannelForCatalog.vue
+++ b/web_src/src/components/dialog/chooseChannelForCatalog.vue
@@ -161,6 +161,9 @@ export default {
                 console.log("移除成功")
                 node.parent.loaded = false
                 node.parent.expand();
+                if(this.defaultCatalogId === id) {
+                  this.defaultCatalogId = this.platformId;
+                }
               }
             })
             .catch(function (error) {