diff --git a/frontend/src/business/components/api/automation/scenario/EditApiScenario.vue b/frontend/src/business/components/api/automation/scenario/EditApiScenario.vue
index d4832cf3d3..05f5d1d526 100644
--- a/frontend/src/business/components/api/automation/scenario/EditApiScenario.vue
+++ b/frontend/src/business/components/api/automation/scenario/EditApiScenario.vue
@@ -1144,6 +1144,9 @@ export default {
     shrinkTreeNode() {
       //改变每个节点的状态
       for (let i in this.scenarioDefinition) {
+        if (i > 30 && this.expandedStatus) {
+          continue;
+        }
         if (this.scenarioDefinition[i]) {
           if (this.expandedStatus && this.expandedNode.indexOf(this.scenarioDefinition[i].resourceId) === -1) {
             this.expandedNode.push(this.scenarioDefinition[i].resourceId);
@@ -1169,9 +1172,18 @@ export default {
       }
     },
     openExpansion() {
-      this.expandedNode = [];
-      this.expandedStatus = true;
-      this.shrinkTreeNode();
+      if (this.scenarioDefinition && this.scenarioDefinition.length > 30) {
+        this.$alert(this.$t('api_test.definition.request.step_message'), '', {
+          confirmButtonText: this.$t('commons.confirm'),
+          callback: (action) => {
+            if (action === 'confirm') {
+              this.expandedNode = [];
+              this.expandedStatus = true;
+              this.shrinkTreeNode();
+            }
+          }
+        });
+      }
     },
     closeExpansion() {
       this.expandedStatus = false;
diff --git a/frontend/src/business/components/api/automation/scenario/component/ApiComponent.vue b/frontend/src/business/components/api/automation/scenario/component/ApiComponent.vue
index 0f535209c5..5b89ab2aca 100644
--- a/frontend/src/business/components/api/automation/scenario/component/ApiComponent.vue
+++ b/frontend/src/business/components/api/automation/scenario/component/ApiComponent.vue
@@ -241,7 +241,7 @@ export default {
           });
         }
       }
-      if (databaseConfigsOptions.length > 0) {
+      if (databaseConfigsOptions.length > 0 && this.request.environmentId !== this.environment.id) {
         this.request.dataSourceId = databaseConfigsOptions[0].id;
         this.request.environmentId = this.environment.id;
       }
diff --git a/frontend/src/business/components/api/automation/scenario/maximize/MaximizeScenario.vue b/frontend/src/business/components/api/automation/scenario/maximize/MaximizeScenario.vue
index 15eddbb5b3..360f71e9df 100644
--- a/frontend/src/business/components/api/automation/scenario/maximize/MaximizeScenario.vue
+++ b/frontend/src/business/components/api/automation/scenario/maximize/MaximizeScenario.vue
@@ -923,6 +923,9 @@ export default {
     shrinkTreeNode() {
       //改变每个节点的状态
       for (let i in this.scenarioDefinition) {
+        if (i > 30 && this.expandedStatus) {
+          continue;
+        }
         if (this.scenarioDefinition[i]) {
           if (this.expandedStatus) {
             this.expandedNode.push(this.scenarioDefinition[i].resourceId);
@@ -948,9 +951,18 @@ export default {
       }
     },
     openExpansion() {
-      this.expandedNode = [];
-      this.expandedStatus = true;
-      this.shrinkTreeNode();
+      if (this.scenarioDefinition && this.scenarioDefinition.length > 30) {
+        this.$alert(this.$t('api_test.definition.request.step_message'), '', {
+          confirmButtonText: this.$t('commons.confirm'),
+          callback: (action) => {
+            if (action === 'confirm') {
+              this.expandedNode = [];
+              this.expandedStatus = true;
+              this.shrinkTreeNode();
+            }
+          }
+        });
+      }
     },
     closeExpansion() {
       this.expandedStatus = false;
diff --git a/frontend/src/i18n/en-US.js b/frontend/src/i18n/en-US.js
index 907de7aaef..efc480a01d 100644
--- a/frontend/src/i18n/en-US.js
+++ b/frontend/src/i18n/en-US.js
@@ -785,6 +785,7 @@ export default {
         cert_alias: "Certificate Alias",
         message_template: "Message Template",
         tcp_parameter_tip: "The request parameters can be referenced in the request template ${XXX}",
+        step_message: "Too many steps, whether to expand the first 30 steps？",
         esb_table: {
           name: "name",
           type: "type",
diff --git a/frontend/src/i18n/zh-CN.js b/frontend/src/i18n/zh-CN.js
index c6ee1ef6ec..b01e0da2dc 100644
--- a/frontend/src/i18n/zh-CN.js
+++ b/frontend/src/i18n/zh-CN.js
@@ -784,6 +784,7 @@ export default {
         other_config: "其他设置",
         message_template: "报文模版",
         tcp_parameter_tip: "请求参数可以在请求模版通过${xxx}引用",
+        step_message: "步骤过多，是否展开前 30 个步骤？",
         esb_table: {
           name: "参数名",
           type: "类型",
diff --git a/frontend/src/i18n/zh-TW.js b/frontend/src/i18n/zh-TW.js
index 736d54dd70..e233ab83ef 100644
--- a/frontend/src/i18n/zh-TW.js
+++ b/frontend/src/i18n/zh-TW.js
@@ -785,6 +785,7 @@ export default {
         cert_alias: "證書別名",
         message_template: "報文模版",
         tcp_parameter_tip: "請求參數可以在請求模版通過${xxx}引用",
+        step_message: "步驟過多，是否展開前 30 個步驟？",
         esb_table: {
           name: "參數名",
           type: "類型",