diff --git a/blade-auth/src/main/resources/application-dev.yml b/blade-auth/src/main/resources/application-dev.yml
new file mode 100644
index 0000000..feb2ba4
--- /dev/null
+++ b/blade-auth/src/main/resources/application-dev.yml
@@ -0,0 +1,6 @@
+# 本机多网卡时 Nacos 易误选 169.254.*（链路本地），导致网关 Host is down
+spring:
+  cloud:
+    nacos:
+      discovery:
+        ip: ${NACOS_DISCOVERY_IP:127.0.0.1}
diff --git a/blade-gateway/src/main/resources/application-dev.yml b/blade-gateway/src/main/resources/application-dev.yml
index b8eaf54..3d12a7a 100644
--- a/blade-gateway/src/main/resources/application-dev.yml
+++ b/blade-gateway/src/main/resources/application-dev.yml
@@ -5,7 +5,8 @@ blade:
     enabled: true
     #灰度版本
     #version: 3.0.0
-    #负载均衡优先调用的ip段
+    #负载均衡优先调用的ip段（含本机局域网段，避免只剩 169.254.* 时误路由）
     prior-ip-pattern:
-      - 192.168.0.*
+      - 192.168.*.*
+      - 172.16.*.*
       - 127.0.0.1
diff --git a/blade-service/blade-system/src/main/resources/application-dev.yml b/blade-service/blade-system/src/main/resources/application-dev.yml
new file mode 100644
index 0000000..feb2ba4
--- /dev/null
+++ b/blade-service/blade-system/src/main/resources/application-dev.yml
@@ -0,0 +1,6 @@
+# 本机多网卡时 Nacos 易误选 169.254.*（链路本地），导致网关 Host is down
+spring:
+  cloud:
+    nacos:
+      discovery:
+        ip: ${NACOS_DISCOVERY_IP:127.0.0.1}
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ProjectApplyServiceImpl.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ProjectApplyServiceImpl.java
index c1e759d..0d623fb 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ProjectApplyServiceImpl.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/ProjectApplyServiceImpl.java
@@ -257,14 +257,12 @@ public class ProjectApplyServiceImpl extends BaseServiceImpl<ProjectApplyMapper,
 	@Override
 	@Transactional(rollbackFor = Exception.class)
 	public boolean saveChange(ProjectApplyVO projectApply) {
+		// 变更草稿仅更新业务字段，不生成变更记录；变更记录在 submitChange 时落库
 		ProjectApply oldRecord = loadChangeable(projectApply.getId());
-		Map<String, Object> beforeData = buildProjectChangeSnapshot(oldRecord);
 		prepare(projectApply);
 		copyChangeFields(oldRecord, projectApply);
 		validateSubmit(oldRecord);
 		validateChangeLength(oldRecord);
-		Map<String, Object> afterData = buildProjectChangeSnapshot(oldRecord);
-		appendProjectChangeRecord(oldRecord, CHANGE_TYPE_PROJECT, oldRecord.getChangeReason(), "saved", "已保存", beforeData, afterData);
 		return updateById(oldRecord);
 	}
 
diff --git a/blade-service/blade-transport/src/main/resources/application-dev.yml b/blade-service/blade-transport/src/main/resources/application-dev.yml
index ebffbff..3c8c9a4 100644
--- a/blade-service/blade-transport/src/main/resources/application-dev.yml
+++ b/blade-service/blade-transport/src/main/resources/application-dev.yml
@@ -8,6 +8,11 @@ spring:
     url: ${blade.datasource.dev.url}
     username: ${blade.datasource.dev.username}
     password: ${blade.datasource.dev.password}
+  cloud:
+    nacos:
+      discovery:
+        # 本机多网卡时避免注册 169.254.* 导致网关 Host is down
+        ip: ${NACOS_DISCOVERY_IP:127.0.0.1}
 
 # LBS 车辆实时定位（Authorization 与 OA 人员接口一致）
 thirdParty:
diff --git a/doc/nacos/blade-dev.yaml b/doc/nacos/blade-dev.yaml
index 744c59f..4c8551e 100644
--- a/doc/nacos/blade-dev.yaml
+++ b/doc/nacos/blade-dev.yaml
@@ -38,9 +38,10 @@ blade:
   loadbalancer:
     #开启配置
     enabled: true
-    #负载均衡优先调用的ip段
+    #负载均衡优先调用的ip段（含本机局域网段，避免只剩 169.254.* 时误路由）
     prior-ip-pattern:
-      - 192.168.0.*
+      - 192.168.*.*
+      - 172.16.*.*
       - 127.0.0.1
   #通用开发生产环境数据库地址(特殊情况可在对应的子工程里配置覆盖)
   datasource:
diff --git a/doc/nacos/blade.yaml b/doc/nacos/blade.yaml
index 3265744..d73eb7d 100644
--- a/doc/nacos/blade.yaml
+++ b/doc/nacos/blade.yaml
@@ -22,6 +22,8 @@ spring:
       discovery:
         # 禁用云命名空间解析,防止和云平台环境变量冲突
         isUseCloudNamespaceParsing: false
+        # 本机多网卡开发时建议固定 127.0.0.1，可用环境变量 NACOS_DISCOVERY_IP 覆盖
+        ip: ${NACOS_DISCOVERY_IP:}
       config:
         # 禁用云命名空间解析,防止和云平台环境变量冲突
         isUseCloudNamespaceParsing: false