diff --git a/charts/vela-core/templates/defwithtemplate/autoscale.yaml b/charts/vela-core/templates/defwithtemplate/autoscale.yaml
index 8db3037cb..7665d539b 100644
--- a/charts/vela-core/templates/defwithtemplate/autoscale.yaml
+++ b/charts/vela-core/templates/defwithtemplate/autoscale.yaml
@@ -38,6 +38,7 @@ spec:
       	condition: {
       		type: "Utilization"
       		if parameter["cpuPercent"] != _|_ {
+      			// Temporarily use `strconv` for type converting. This bug will be fixed in kubevela#585
       			value: strconv.FormatInt(parameter.cpuPercent, 10)
       		}
       	}
diff --git a/charts/vela-core/templates/defwithtemplate/webservice.yaml b/charts/vela-core/templates/defwithtemplate/webservice.yaml
index 64ea23c19..a63fe31a9 100644
--- a/charts/vela-core/templates/defwithtemplate/webservice.yaml
+++ b/charts/vela-core/templates/defwithtemplate/webservice.yaml
@@ -82,7 +82,7 @@ spec:
       			}
       		}
       	}]
-      	// +usage=Number of CPU units for the service, like `500m` (0.5 CPU core), `1` (1 CPU core)
+      	// +usage=Number of CPU units for the service, like `0.5` (0.5 CPU core), `1` (1 CPU core)
       	cpu?: string
       }
       
diff --git a/docs/en/developers/references/workload-types/web-service.md b/docs/en/developers/references/workload-types/web-service.md
index 674989916..914909c7c 100644
--- a/docs/en/developers/references/workload-types/web-service.md
+++ b/docs/en/developers/references/workload-types/web-service.md
@@ -38,7 +38,7 @@ Name | Type | Description | Notes
 **Env** | [**[]WebserviceEnv**](#webserviceenv) |  | [optional]
 **Image** | **string** | Which image would you like to use for your service |
 **Port** | **int32** | Which port do you want customer traffic sent to | [default to 80]
-**cpu** | **string** | Number of CPU units for the service, like `500m` (0.5 CPU core), `1` (1 CPU core) | [optional]
+**cpu** | **string** | Number of CPU units for the service, like `0.5` (0.5 CPU core), `1` (1 CPU core) | [optional]
 
 ### WebserviceEnv
 
diff --git a/e2e/commonContext.go b/e2e/commonContext.go
index fd818b0ee..316b9a79e 100644
--- a/e2e/commonContext.go
+++ b/e2e/commonContext.go
@@ -286,7 +286,7 @@ var (
 							a: "8080",
 						},
 						{
-							q: "Number of CPU units for the service, like `500m` (0.5 CPU core), `1` (1 CPU core) (optional):",
+							q: "Number of CPU units for the service, like `0.5` (0.5 CPU core), `1` (1 CPU core) (optional):",
 							a: "0.5",
 						},
 					}
diff --git a/hack/vela-templates/cue/autoscale.cue b/hack/vela-templates/cue/autoscale.cue
index 0f3992ea9..db0679a7f 100644
--- a/hack/vela-templates/cue/autoscale.cue
+++ b/hack/vela-templates/cue/autoscale.cue
@@ -23,6 +23,7 @@ cpuScaler: {
 	condition: {
 		type: "Utilization"
 		if parameter["cpuPercent"] != _|_ {
+			// Temporarily use `strconv` for type converting. This bug will be fixed in kubevela#585
 			value: strconv.FormatInt(parameter.cpuPercent, 10)
 		}
 	}
diff --git a/hack/vela-templates/cue/webservice.cue b/hack/vela-templates/cue/webservice.cue
index 627022f8e..049757c74 100644
--- a/hack/vela-templates/cue/webservice.cue
+++ b/hack/vela-templates/cue/webservice.cue
@@ -71,6 +71,6 @@ parameter: {
 			}
 		}
 	}]
-	// +usage=Number of CPU units for the service, like `500m` (0.5 CPU core), `1` (1 CPU core)
+	// +usage=Number of CPU units for the service, like `0.5` (0.5 CPU core), `1` (1 CPU core)
 	cpu?: string
 }