diff --git a/cash-api/account-server/src/main/resources/application-dev.yml b/cash-api/account-server/src/main/resources/application-dev.yml
index 07ceafec..19ace13b 100644
--- a/cash-api/account-server/src/main/resources/application-dev.yml
+++ b/cash-api/account-server/src/main/resources/application-dev.yml
@@ -35,7 +35,7 @@ dubbo:
   protocol:
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
     port: -1
 
 
diff --git a/cash-api/account-server/src/main/resources/application-test.yml b/cash-api/account-server/src/main/resources/application-test.yml
index 5b33068e..a681e5a7 100644
--- a/cash-api/account-server/src/main/resources/application-test.yml
+++ b/cash-api/account-server/src/main/resources/application-test.yml
@@ -37,7 +37,7 @@ dubbo:
     threads: 20
     port: -1
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 
 
diff --git a/cash-api/order-server/src/main/resources/application-dev.yml b/cash-api/order-server/src/main/resources/application-dev.yml
index 2337d75b..ed4fc6a0 100644
--- a/cash-api/order-server/src/main/resources/application-dev.yml
+++ b/cash-api/order-server/src/main/resources/application-dev.yml
@@ -38,7 +38,7 @@ dubbo:
     port: -1
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 seata:
   application-id: order-server
diff --git a/cash-api/order-server/src/main/resources/application-test.yml b/cash-api/order-server/src/main/resources/application-test.yml
index e46f5d54..fe0bbd45 100644
--- a/cash-api/order-server/src/main/resources/application-test.yml
+++ b/cash-api/order-server/src/main/resources/application-test.yml
@@ -39,7 +39,7 @@ dubbo:
     port: -1
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 
 seata:
diff --git a/cash-api/product-server/src/main/resources/application-dev.yml b/cash-api/product-server/src/main/resources/application-dev.yml
index 93ccd4a5..0db8973f 100644
--- a/cash-api/product-server/src/main/resources/application-dev.yml
+++ b/cash-api/product-server/src/main/resources/application-dev.yml
@@ -43,7 +43,7 @@ dubbo:
     port: -1
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 seata:
   application-id: product-server
diff --git a/cash-api/product-server/src/main/resources/application-test.yml b/cash-api/product-server/src/main/resources/application-test.yml
index 279c09f4..d9cb6d2f 100644
--- a/cash-api/product-server/src/main/resources/application-test.yml
+++ b/cash-api/product-server/src/main/resources/application-test.yml
@@ -32,7 +32,7 @@ dubbo:
     port: -1
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 seata:
   application-id: product-server
diff --git a/cash-api/system-server/src/main/resources/application-dev.yml b/cash-api/system-server/src/main/resources/application-dev.yml
index 309bef89..c728704f 100644
--- a/cash-api/system-server/src/main/resources/application-dev.yml
+++ b/cash-api/system-server/src/main/resources/application-dev.yml
@@ -38,7 +38,7 @@ dubbo:
     port: -1
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 seata:
   application-id: system-server
diff --git a/cash-api/system-server/src/main/resources/application-test.yml b/cash-api/system-server/src/main/resources/application-test.yml
index de6bd77b..0a73c5b5 100644
--- a/cash-api/system-server/src/main/resources/application-test.yml
+++ b/cash-api/system-server/src/main/resources/application-test.yml
@@ -38,7 +38,7 @@ dubbo:
     port: -1
     threads: 20
     name: dubbo
-    serialization: hessian
+    serialization: hessian2
 
 
 seata: