diff --git a/pqs-common/common-db/pom.xml b/pqs-common/common-db/pom.xml
index 399d07938..5d865cb69 100644
--- a/pqs-common/common-db/pom.xml
+++ b/pqs-common/common-db/pom.xml
@@ -74,6 +74,12 @@
             <artifactId>mybatis-plus-boot-starter</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>dynamic-datasource-spring-boot-starter</artifactId>
+            <version>3.5.1</version>
+        </dependency>
+
         <!--数据库相关********end-->
     </dependencies>
 
diff --git a/pqs-device/common-device-biz/pom.xml b/pqs-device/common-device-biz/pom.xml
index ab6181178..339b7e5fa 100644
--- a/pqs-device/common-device-biz/pom.xml
+++ b/pqs-device/common-device-biz/pom.xml
@@ -60,6 +60,7 @@
             <artifactId>pqs-influx</artifactId>
             <version>${project.version}</version>
         </dependency>
+
     </dependencies>
 
 </project>
diff --git a/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/mapper/OverLimitWlMapper.java b/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/mapper/OverLimitWlMapper.java
new file mode 100644
index 000000000..1208e32bd
--- /dev/null
+++ b/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/mapper/OverLimitWlMapper.java
@@ -0,0 +1,22 @@
+package com.njcn.device.biz.mapper;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.device.biz.pojo.po.Overlimit;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author xy
+ * @since 2022-01-04
+ */
+@DS("sjzx")
+@Mapper
+public interface OverLimitWlMapper extends BaseMapper<Overlimit> {
+
+
+}
diff --git a/pqs-harmonic/harmonic-boot/src/main/resources/bootstrap.yml b/pqs-harmonic/harmonic-boot/src/main/resources/bootstrap.yml
index db9f602b3..432cfc284 100644
--- a/pqs-harmonic/harmonic-boot/src/main/resources/bootstrap.yml
+++ b/pqs-harmonic/harmonic-boot/src/main/resources/bootstrap.yml
@@ -35,11 +35,11 @@ spring:
           - data-id: share-config.yaml
             refresh: true
             #数据中心使用
-#          - data-Id: share-config-datasource-db.yaml
-#            refresh: true
-            #PMS使用
-          - data-Id: share-config-harmonic-db.yaml
+          - data-Id: share-config-datasource-db.yaml
             refresh: true
+            #PMS使用
+#          - data-Id: share-config-harmonic-db.yaml
+#            refresh: true
   main:
     allow-bean-definition-overriding: true
   servlet:
diff --git a/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java b/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java
index 471affbc1..5a79c6753 100644
--- a/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java
+++ b/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java
@@ -53,6 +53,7 @@ import com.njcn.user.api.UserFeignClient;
 import com.njcn.user.pojo.po.User;
 import com.njcn.web.utils.RequestUtil;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.compress.utils.IOUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Async;
@@ -77,11 +78,12 @@ import static com.njcn.common.pojo.constant.LogInfo.UNKNOWN_USER;
  */
 @Service
 @RequiredArgsConstructor
+@Slf4j
 public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implements AuditService {
 
     private final AuditMapper auditMapper;
 
-    @Value("${spring.datasource.druid.url}")
+    @Value("${spring.datasource.dynamic.datasource.sjzx.url}")
     private String urls;
 
     private final GeneralInfo generalInfo;
@@ -435,8 +437,41 @@ public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implem
 
     @Override
     public Float getMemoInfo() {
-        String schema = urls.substring(urls.lastIndexOf("/") + 1, urls.lastIndexOf("?"));
-        return this.baseMapper.getMemoInfo(schema);
+        // 1. 判空兜底，防止@Value注入为空/空字符串
+        if (StrUtil.isBlank(urls)) {
+            log.error("getMemoInfo error: 数据库链接地址urls为空，无法截取schema");
+            return 0.0F;
+        }
+        String schema = null;
+        try {
+            // 2. 先获取最后一个/的下标，截取库名起始位
+            int lastSlashIndex = urls.lastIndexOf("/");
+            // 3. 先获取?的下标，截取库名结束位
+            int questionMarkIndex = urls.indexOf("?");
+            // 4. 兼容两种场景：有问号参数、无问号参数
+            if (lastSlashIndex > -1) {
+                if (questionMarkIndex > lastSlashIndex) {
+                    // 正常场景：url带?后缀参数 → 截取 / 和 ? 之间的库名
+                    schema = urls.substring(lastSlashIndex + 1, questionMarkIndex);
+                } else {
+                    // 兼容场景：url不带?后缀参数 → 截取 / 之后的全部内容作为库名
+                    schema = urls.substring(lastSlashIndex + 1);
+                }
+            }
+        } catch (Exception e) {
+            // 5. 捕获所有异常（下标越界、格式异常等），兜底处理
+            log.error("getMemoInfo 截取数据库schema失败，urls={}, 异常信息:{}", urls, e);
+            return 0.0F;
+        }
+        // 6. 最终判空，防止截取结果为空
+        if (StrUtil.isBlank(schema)) {
+            log.error("getMemoInfo 截取到的数据库schema为空，urls={}", urls);
+            return 0.0F;
+        }
+        // 7. 调用mapper查询，返回结果
+        Float memoInfo = this.baseMapper.getMemoInfo(schema);
+        // 8. 兼容mapper返回null的情况，避免接口返回null报错
+        return ObjectUtil.isNull(memoInfo) ? 0.0F : memoInfo;
     }
 
     @Override