diff --git a/charts/vela-core/templates/defwithtemplate/expose.yaml b/charts/vela-core/templates/defwithtemplate/expose.yaml
index 81033a13f..289bd0082 100644
--- a/charts/vela-core/templates/defwithtemplate/expose.yaml
+++ b/charts/vela-core/templates/defwithtemplate/expose.yaml
@@ -96,21 +96,17 @@ spec:
   stage: PostDispatch
   status:
     customStatus: |-
-      message: *"" | string
       service: context.outputs.service
+      message: *"" | string
       if service.spec.type == "ClusterIP" {
       	message: "ClusterIP: \(service.spec.clusterIP)"
       }
       if service.spec.type == "LoadBalancer" {
       	status: service.status
       	isHealth: *false | bool
+      	message: *"ExternalIP: Pending" | string
       	if status != _|_ if status.loadBalancer != _|_ if status.loadBalancer.ingress != _|_ if len(status.loadBalancer.ingress) > 0 if status.loadBalancer.ingress[0].ip != _|_ {
       		isHealth: true
-      	}
-      	if !isHealth {
-      		message: "ExternalIP: Pending"
-      	}
-      	if isHealth {
       		message: "ExternalIP: \(status.loadBalancer.ingress[0].ip)"
       	}
       }
diff --git a/charts/vela-core/templates/defwithtemplate/gateway.yaml b/charts/vela-core/templates/defwithtemplate/gateway.yaml
index d8370b484..bfa3e2c77 100644
--- a/charts/vela-core/templates/defwithtemplate/gateway.yaml
+++ b/charts/vela-core/templates/defwithtemplate/gateway.yaml
@@ -160,13 +160,17 @@ spec:
         if parameter.name == _|_ { "" }
       }
       let ingressMetaName = context.name + nameSuffix
-      let ig  = [for i in context.outputs if (i.kind == "Ingress") && (i.metadata.name == ingressMetaName) {i}][0]
+      let igList = [for i in context.outputs if (i.kind == "Ingress") && (i.metadata.name == ingressMetaName) {i}]
+      ig: *_|_ | _
+      if len(igList) > 0 {
+        ig: igList[0]
+      }
       igs: *{} | {}
-      if ig != _|_ if ig.status != _|_ if ig.status.loadbalancer != _|_ {
+      if ig != _|_ if ig.status != _|_ if ig.status.loadbalancer != _|_ if len(ig.status.loadbalancer.ingress) > 0 {
         igs: ig.status.loadbalancer.ingress[0]
       }
       igr: *{} | {}
-      if ig != _|_ if ig.spec != _|_  {
+      if ig != _|_ if ig.spec != _|_ if len(ig.spec.rules) > 0 {
         igr: ig.spec.rules[0]
       }
       if igs == _|_ {
diff --git a/charts/vela-core/templates/defwithtemplate/ingress-1-20.yaml b/charts/vela-core/templates/defwithtemplate/ingress-1-20.yaml
index ed85f6d27..5f4daf77e 100644
--- a/charts/vela-core/templates/defwithtemplate/ingress-1-20.yaml
+++ b/charts/vela-core/templates/defwithtemplate/ingress-1-20.yaml
@@ -69,11 +69,16 @@ spec:
         message: "No loadBalancer found, visiting by using 'vela port-forward " + context.appName + "'\n"
       }
       if len(igs) > 0 {
+        let rules = context.outputs.ingress.spec.rules
+        host: *"" | string
+        if rules != _|_ if len(rules) > 0 if rules[0].host != _|_ {
+      	  host: rules[0].host
+        }
         if igs[0].ip != _|_ {
-      	  message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host + ", IP: " + igs[0].ip
+      	  message: "Visiting URL: " + host + ", IP: " + igs[0].ip
         }
         if igs[0].ip == _|_ {
-      	  message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host
+      	  message: "Visiting URL: " + host
         }
       }
     healthPolicy: 'isHealth: len(context.outputs.service.spec.clusterIP) > 0'
diff --git a/charts/vela-core/templates/defwithtemplate/ingress.yaml b/charts/vela-core/templates/defwithtemplate/ingress.yaml
index 20ee45063..3eb0467fc 100644
--- a/charts/vela-core/templates/defwithtemplate/ingress.yaml
+++ b/charts/vela-core/templates/defwithtemplate/ingress.yaml
@@ -62,11 +62,16 @@ spec:
       	message: "No loadBalancer found, visiting by using 'vela port-forward " + context.appName + "'\n"
       }
       if len(igs) > 0 {
+      	let rules = context.outputs.ingress.spec.rules
+      	host: *"" | string
+      	if rules != _|_ if len(rules) > 0 if rules[0].host != _|_ {
+      		host: rules[0].host
+      	}
       	if igs[0].ip != _|_ {
-      		message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host + ", IP: " + igs[0].ip
+      		message: "Visiting URL: " + host + ", IP: " + igs[0].ip
       	}
       	if igs[0].ip == _|_ {
-      		message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host
+      		message: "Visiting URL: " + host
       	}
       }
     healthPolicy: 'isHealth: len(context.outputs.service.spec.clusterIP) > 0'
diff --git a/charts/vela-core/templates/defwithtemplate/k8s-objects.yaml b/charts/vela-core/templates/defwithtemplate/k8s-objects.yaml
index 49bf1e9a6..f8215dbb1 100644
--- a/charts/vela-core/templates/defwithtemplate/k8s-objects.yaml
+++ b/charts/vela-core/templates/defwithtemplate/k8s-objects.yaml
@@ -11,7 +11,12 @@ spec:
   schematic:
     cue:
       template: |
-        output: parameter.objects[0]
+        output: {
+        	if len(parameter.objects) > 0 {
+        		parameter.objects[0]
+        	}
+        	...
+        }
 
         outputs: {
         	for i, v in parameter.objects {
diff --git a/charts/vela-core/templates/defwithtemplate/pure-ingress.yaml b/charts/vela-core/templates/defwithtemplate/pure-ingress.yaml
index 55f680b34..7885a6ead 100644
--- a/charts/vela-core/templates/defwithtemplate/pure-ingress.yaml
+++ b/charts/vela-core/templates/defwithtemplate/pure-ingress.yaml
@@ -49,11 +49,16 @@ spec:
       	message: "No loadBalancer found, visiting by using 'vela port-forward " + context.appName + " --route'\n"
       }
       if len(igs) > 0 {
+      	let rules = context.outputs.ingress.spec.rules
+      	host: *"" | string
+      	if rules != _|_ if len(rules) > 0 if rules[0].host != _|_ {
+      		host: rules[0].host
+      	}
       	if igs[0].ip != _|_ {
-      		message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host + ", IP: " + igs[0].ip
+      		message: "Visiting URL: " + host + ", IP: " + igs[0].ip
       	}
       	if igs[0].ip == _|_ {
-      		message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host
+      		message: "Visiting URL: " + host
       	}
       }
   workloadRefPath: ""
diff --git a/pkg/workflow/providers/legacy/multicluster/multicluster.cue b/pkg/workflow/providers/legacy/multicluster/multicluster.cue
index 3988ed33f..7b232a4a0 100644
--- a/pkg/workflow/providers/legacy/multicluster/multicluster.cue
+++ b/pkg/workflow/providers/legacy/multicluster/multicluster.cue
@@ -103,7 +103,9 @@
 	envBindingPolicies: []
 	if inputs.policy == "" && loadPolicies.value != _|_ {
 		envBindingPolicies: [for k, v in loadPolicies.value if v.type == "env-binding" {k}]
-		policy_: envBindingPolicies[0]
+		if len(envBindingPolicies) > 0 {
+			policy_: envBindingPolicies[0]
+		}
 	}
 	if inputs.policy != "" {
 		policy_: inputs.policy
diff --git a/vela-templates/definitions/deprecated/ingress-1-20.cue b/vela-templates/definitions/deprecated/ingress-1-20.cue
index 5108b5574..05c93fbf6 100644
--- a/vela-templates/definitions/deprecated/ingress-1-20.cue
+++ b/vela-templates/definitions/deprecated/ingress-1-20.cue
@@ -14,11 +14,16 @@
 				  message: "No loadBalancer found, visiting by using 'vela port-forward " + context.appName + "'\n"
 				}
 				if len(igs) > 0 {
+				  let rules = context.outputs.ingress.spec.rules
+				  host: *"" | string
+				  if rules != _|_ if len(rules) > 0 if rules[0].host != _|_ {
+					  host: rules[0].host
+				  }
 				  if igs[0].ip != _|_ {
-					  message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host + ", IP: " + igs[0].ip
+					  message: "Visiting URL: " + host + ", IP: " + igs[0].ip
 				  }
 				  if igs[0].ip == _|_ {
-					  message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host
+					  message: "Visiting URL: " + host
 				  }
 				}
 				"""#
diff --git a/vela-templates/definitions/deprecated/ingress.cue b/vela-templates/definitions/deprecated/ingress.cue
index 74cbe27be..93bce4b2e 100644
--- a/vela-templates/definitions/deprecated/ingress.cue
+++ b/vela-templates/definitions/deprecated/ingress.cue
@@ -14,11 +14,16 @@ ingress: {
 					message: "No loadBalancer found, visiting by using 'vela port-forward " + context.appName + "'\n"
 				}
 				if len(igs) > 0 {
+					let rules = context.outputs.ingress.spec.rules
+					host: *"" | string
+					if rules != _|_ if len(rules) > 0 if rules[0].host != _|_ {
+						host: rules[0].host
+					}
 					if igs[0].ip != _|_ {
-						message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host + ", IP: " + igs[0].ip
+						message: "Visiting URL: " + host + ", IP: " + igs[0].ip
 					}
 					if igs[0].ip == _|_ {
-						message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host
+						message: "Visiting URL: " + host
 					}
 				}
 				"""#
diff --git a/vela-templates/definitions/internal/component/k8s-objects.cue b/vela-templates/definitions/internal/component/k8s-objects.cue
index d9a2a4477..a9b61f48c 100644
--- a/vela-templates/definitions/internal/component/k8s-objects.cue
+++ b/vela-templates/definitions/internal/component/k8s-objects.cue
@@ -6,7 +6,12 @@
 	attributes: workload: type: "autodetects.core.oam.dev"
 }
 template: {
-	output: parameter.objects[0]
+	output: {
+		if len(parameter.objects) > 0 {
+			parameter.objects[0]
+		}
+		...
+	}
 
 	outputs: {
 		for i, v in parameter.objects {
diff --git a/vela-templates/definitions/internal/trait/expose.cue b/vela-templates/definitions/internal/trait/expose.cue
index 281640dfd..528fb57ab 100644
--- a/vela-templates/definitions/internal/trait/expose.cue
+++ b/vela-templates/definitions/internal/trait/expose.cue
@@ -13,21 +13,17 @@ expose: {
 		appliesToWorkloads: ["deployments.apps", "statefulsets.apps"]
 		status: {
 			customStatus: #"""
-				message: *"" | string
 				service: context.outputs.service
+				message: *"" | string
 				if service.spec.type == "ClusterIP" {
 					message: "ClusterIP: \(service.spec.clusterIP)"
 				}
 				if service.spec.type == "LoadBalancer" {
 					status: service.status
 					isHealth: *false | bool
+					message: *"ExternalIP: Pending" | string
 					if status != _|_ if status.loadBalancer != _|_ if status.loadBalancer.ingress != _|_ if len(status.loadBalancer.ingress) > 0 if status.loadBalancer.ingress[0].ip != _|_ {
 						isHealth: true
-					}
-					if !isHealth {
-						message: "ExternalIP: Pending"
-					}
-					if isHealth {
 						message: "ExternalIP: \(status.loadBalancer.ingress[0].ip)"
 					}
 				}
diff --git a/vela-templates/definitions/internal/trait/gateway.cue b/vela-templates/definitions/internal/trait/gateway.cue
index 772d252ad..955a66081 100644
--- a/vela-templates/definitions/internal/trait/gateway.cue
+++ b/vela-templates/definitions/internal/trait/gateway.cue
@@ -16,13 +16,17 @@ gateway: {
 				  if parameter.name == _|_ { "" }
 				}
 				let ingressMetaName = context.name + nameSuffix
-				let ig  = [for i in context.outputs if (i.kind == "Ingress") && (i.metadata.name == ingressMetaName) {i}][0]
+				let igList = [for i in context.outputs if (i.kind == "Ingress") && (i.metadata.name == ingressMetaName) {i}]
+				ig: *_|_ | _
+				if len(igList) > 0 {
+				  ig: igList[0]
+				}
 				igs: *{} | {}
-				if ig != _|_ if ig.status != _|_ if ig.status.loadbalancer != _|_ {
+				if ig != _|_ if ig.status != _|_ if ig.status.loadbalancer != _|_ if len(ig.status.loadbalancer.ingress) > 0 {
 				  igs: ig.status.loadbalancer.ingress[0]
 				}
 				igr: *{} | {}
-				if ig != _|_ if ig.spec != _|_  {
+				if ig != _|_ if ig.spec != _|_ if len(ig.spec.rules) > 0 {
 				  igr: ig.spec.rules[0]
 				}
 				if igs == _|_ {
diff --git a/vela-templates/definitions/internal/trait/pure-ingress.cue b/vela-templates/definitions/internal/trait/pure-ingress.cue
index adc710b40..84480f080 100644
--- a/vela-templates/definitions/internal/trait/pure-ingress.cue
+++ b/vela-templates/definitions/internal/trait/pure-ingress.cue
@@ -10,11 +10,16 @@
 					message: "No loadBalancer found, visiting by using 'vela port-forward " + context.appName + " --route'\n"
 				}
 				if len(igs) > 0 {
+					let rules = context.outputs.ingress.spec.rules
+					host: *"" | string
+					if rules != _|_ if len(rules) > 0 if rules[0].host != _|_ {
+						host: rules[0].host
+					}
 					if igs[0].ip != _|_ {
-						message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host + ", IP: " + igs[0].ip
+						message: "Visiting URL: " + host + ", IP: " + igs[0].ip
 					}
 					if igs[0].ip == _|_ {
-						message: "Visiting URL: " + context.outputs.ingress.spec.rules[0].host
+						message: "Visiting URL: " + host
 					}
 				}
 				"""#