diff --git a/README.md b/README.md
index 835fe47d..1f451353 100644
--- a/README.md
+++ b/README.md
@@ -249,6 +249,7 @@ docker-compose up -d
 | Ingest from Oracle               | ❌            | ✔️        | 采集数据 https://www.oracle.com/database/ |
 | Ingest from MongoDB              | ❌            | ✔️        | 采集数据 https://www.mongodb.com/ |
 | FDD 能效故障诊断系统              | ❌            | ✔️        | 需要企业版组件许可或定制开发 |
+| 阿里云短信服务发送报警              | ❌            | ✔️        | 短信服务 https://www.aliyun.com/product/sms?userCode=8jwn6m8c |
 | 高级报表系统                      | ❌            | ✔️        | 需要企业版组件许可或定制开发 |
 | 能耗预测                         | ❌            | ✔️        | 需要企业版组件许可或定制开发 |
 | 组态图形绘制工具                  | ❌            | ✔️        | 需要企业版组件许可或定制开发 |
diff --git a/README_DE.md b/README_DE.md
index 0b860f96..5ec1eff7 100644
--- a/README_DE.md
+++ b/README_DE.md
@@ -247,6 +247,7 @@ docker-compose up -d
 | Ingest from Oracle               | ❌             | ✔️        | https://www.oracle.com/database/ |
 | Ingest from MongoDB              | ❌             | ✔️        | https://www.mongodb.com/ |
 | FDD Rule Engine                  | ❌             | ✔️        | Erfordert eine Standardkomponentenlizenz |
+| Alarm via Alibaba Cloud SMS Service| ❌           | ✔️        | https://www.aliyun.com/product/sms?userCode=8jwn6m8c |
 | Advanced Reporting Engine        | ❌             | ✔️        | Erfordert eine Standardkomponentenlizenz oder eine benutzerdefinierte Entwicklung |
 | Prognose des Energieverbrauchs   | ❌             | ✔️        | Erfordert eine Standardkomponentenlizenz oder eine benutzerdefinierte Entwicklung |
 | Graphics Drawing Tool            | ❌             | ✔️        | Erfordert eine Standardkomponentenlizenz |
diff --git a/README_EN.md b/README_EN.md
index df6ff2c7..a1c1b3b4 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -248,6 +248,7 @@ docker-compose up -d
 | Ingest from Oracle               | ❌             | ✔️        | https://www.oracle.com/database/ |
 | Ingest from MongoDB              | ❌             | ✔️        | https://www.mongodb.com/ |
 | FDD Rule Engine                  | ❌             | ✔️        | Requires standard component license or custom development |
+| Alarm via Alibaba Cloud SMS Service| ❌           | ✔️        | https://www.aliyun.com/product/sms?userCode=8jwn6m8c |
 | Advanced Reporting Engine        | ❌             | ✔️        | Requires standard component license or custom development |
 | Prognose des Energieverbrauchs   | ❌             | ✔️        | Requires standard component license or custom development |
 | Graphics Drawing Tool            | ❌             | ✔️        |                      |
diff --git a/myems-api/reports/distributionsystem.py b/myems-api/reports/distributionsystem.py
index 5c739357..d60db7f9 100644
--- a/myems-api/reports/distributionsystem.py
+++ b/myems-api/reports/distributionsystem.py
@@ -42,7 +42,7 @@ class Reporting:
                                        description='API.INVALID_DISTRIBUTION_SYSTEM_ID')
         # set the earliest datetime of valid actual value
         # if the utc_date_time is less than reporting_start_datetime_utc, then the value is None because of timeout
-        reporting_start_datetime_utc = datetime.utcnow() - timedelta(minutes=5)
+        reporting_start_datetime_utc = datetime.utcnow() - timedelta(minutes=30)
 
         ################################################################################################################
         # Step 2: Step 2: query the distribution system