diff --git a/ebike-gather/src/main/resources/application-dev.yml b/ebike-gather/src/main/resources/application-dev.yml
index ba92213..6bd4a04 100644
--- a/ebike-gather/src/main/resources/application-dev.yml
+++ b/ebike-gather/src/main/resources/application-dev.yml
@@ -13,7 +13,7 @@ spring:
       username: nacos
       password: nacos
   kafka:
-    bootstrap-servers: 47.109.71.130:9092
+    bootstrap-servers: 192.168.1.20:9092
     producer:
       retries: 0
       key-serializer: org.apache.kafka.common.serialization.StringSerializer
diff --git a/ebike-operations/src/main/resources/application-dev.yml b/ebike-operations/src/main/resources/application-dev.yml
index 2924a55..0f95776 100644
--- a/ebike-operations/src/main/resources/application-dev.yml
+++ b/ebike-operations/src/main/resources/application-dev.yml
@@ -14,7 +14,7 @@ spring:
       username: nacos
       password: nacos
   kafka:
-    bootstrap-servers: 47.109.71.130:9092
+    bootstrap-servers: 192.168.1.20:9092
     producer:
       retries: 0
       key-serializer: org.apache.kafka.common.serialization.StringSerializer
diff --git a/ebike-report/src/main/resources/application-dev.yml b/ebike-report/src/main/resources/application-dev.yml
index 45ad499..f27f2b9 100644
--- a/ebike-report/src/main/resources/application-dev.yml
+++ b/ebike-report/src/main/resources/application-dev.yml
@@ -14,7 +14,7 @@ spring:
     date-format: yyyy-MM-dd HH:mm:ss
     time-zone: GMT+8
   kafka:
-    bootstrap-servers: 47.109.71.130:9092
+    bootstrap-servers: 192.168.1.20:9092
     producer:
       retries: 0
       key-serializer: org.apache.kafka.common.serialization.StringSerializer