diff --git a/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/config/SyncProperties.java b/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/config/SyncProperties.java
index 113b04bf..46cd6f82 100644
--- a/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/config/SyncProperties.java
+++ b/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/config/SyncProperties.java
@@ -29,6 +29,13 @@ public class SyncProperties {
      */
     private int maxRetry = 5;
 
+    /**
+     * 是否允许同步删除动作（全局总闸，默认 false）
+     * <p>false 时所有表的 DELETE_V1 / DELETE_V2 动作均降级为 SKIP，
+     * 防止某侧库被误清空/回档时级联删除对侧数据</p>
+     */
+    private boolean deleteSyncEnabled = false;
+
     /**
      * 日志保留天数（默认 30）
      */
diff --git a/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/resolver/RowMergeResolver.java b/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/resolver/RowMergeResolver.java
index f031da3b..671aa7b6 100644
--- a/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/resolver/RowMergeResolver.java
+++ b/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/businessdatasyn/resolver/RowMergeResolver.java
@@ -1,7 +1,9 @@
 package com.zdxt.enforcementcode.businessdatasyn.resolver;
 
+import com.zdxt.enforcementcode.businessdatasyn.config.SyncProperties;
 import com.zdxt.enforcementcode.businessdatasyn.config.SyncTableConfig;
 import com.zdxt.enforcementcode.businessdatasyn.domain.dto.*;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
@@ -13,8 +15,19 @@ import org.springframework.stereotype.Component;
  */
 @Slf4j
 @Component
+@RequiredArgsConstructor
 public class RowMergeResolver {
 
+    private final SyncProperties syncProperties;
+
+    /**
+     * 删除同步是否允许（全局总闸 + 表级 deleteMode）
+     */
+    private boolean deleteAllowed(SyncTableConfig config) {
+        return syncProperties.isDeleteSyncEnabled()
+            && !"none".equalsIgnoreCase(config.getDeleteMode());
+    }
+
     /**
      * 解析同步决策
      *
@@ -45,6 +58,14 @@ public class RowMergeResolver {
             if (v2Exists) {
                 if (ownerSide == OwnerSide.V1) {
                     // 场景 7：归属方(V1)删除 → 删除对侧(V2)
+                    if (!deleteAllowed(config)) {
+                        log.info("[BizSync] 归属方V1已删除但删除同步被禁用,跳过: {}", config.getConfigKey());
+                        return SyncDecision.builder()
+                            .action(SyncActionEnum.SKIP)
+                            .ownerSide(ownerSide)
+                            .reason("归属方V1已删除,但删除同步被禁用,跳过")
+                            .build();
+                    }
                     return SyncDecision.builder()
                         .action(SyncActionEnum.DELETE_V2)
                         .ownerSide(ownerSide)
@@ -70,6 +91,14 @@ public class RowMergeResolver {
             if (v1Exists) {
                 if (ownerSide == OwnerSide.V2) {
                     // 场景 8：归属方(V2)删除 → 删除对侧(V1)
+                    if (!deleteAllowed(config)) {
+                        log.info("[BizSync] 归属方V2已删除但删除同步被禁用,跳过: {}", config.getConfigKey());
+                        return SyncDecision.builder()
+                            .action(SyncActionEnum.SKIP)
+                            .ownerSide(ownerSide)
+                            .reason("归属方V2已删除,但删除同步被禁用,跳过")
+                            .build();
+                    }
                     return SyncDecision.builder()
                         .action(SyncActionEnum.DELETE_V1)
                         .ownerSide(ownerSide)
diff --git a/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev-cust-zrb.yml b/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev-cust-zrb.yml
index 3d19b0b7..7b0ea24f 100644
--- a/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev-cust-zrb.yml
+++ b/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev-cust-zrb.yml
@@ -32,16 +32,6 @@ spring:
           username: root
           password: root
 
---- # 业务数据双向同步配置
-business-data-sync:
-  # 是否启用同步功能
-  enabled: true
-  # 单次扫描批量大小(默认)
-  scan-batch-size: 1000
-  # 单行失败最大重试次数(默认)
-  max-retry: 5
-  # 日志保留天数
-  log-retention-days: 30
 
 --- # redis 单机配置(单机与集群只能开启一个另一个需要注释掉)
 spring.data:
diff --git a/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev.yml b/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev.yml
index 2338a530..89d3cc07 100644
--- a/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev.yml
+++ b/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-dev.yml
@@ -350,3 +350,16 @@ xss:
   excludeUrls:
     - /web/enforcementcode/educationServices/add
     - /web/enforcementcode/educationServices/edit
+
+--- # 业务数据双向同步配置
+business-data-sync:
+  # 是否启用同步功能
+  enabled: true
+  # 是否允许同步删除动作(总闸,false时所有表的删除动作降级为SKIP,防止误清库级联删除)
+  delete-sync-enabled: false
+  # 单次扫描批量大小(默认)
+  scan-batch-size: 1000
+  # 单行失败最大重试次数(默认)
+  max-retry: 5
+  # 日志保留天数
+  log-retention-days: 30
diff --git a/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-prod.yml b/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-prod.yml
index 51bcb971..8a3b558d 100644
--- a/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-prod.yml
+++ b/zdxt-web-server/zdxt-admin-web-server/src/main/resources/application-prod.yml
@@ -346,3 +346,16 @@ sms:
 
 #市监代理页面
 sjView: http://10.132.108.3/sjWeb
+
+--- # 业务数据双向同步配置
+business-data-sync:
+  # 是否启用同步功能
+  enabled: true
+  # 是否允许同步删除动作(总闸,false时所有表的删除动作降级为SKIP,防止误清库级联删除)
+  delete-sync-enabled: false
+  # 单次扫描批量大小(默认)
+  scan-batch-size: 1000
+  # 单行失败最大重试次数(默认)
+  max-retry: 5
+  # 日志保留天数
+  log-retention-days: 30