fix

template/render_outbounds.go

@@ -161,9 +161,6 @@ func (t *Template) renderOutbounds(metadata M.Metadata, options *boxOption.Optio
 				}
 				return true
 			})
-			if len(subscriptionTags) == 0 {
-				continue
-			}
 			var tagPerSubscription string
 			if len(outboundTags) == 0 && len(subscriptions) == 1 {
 				tagPerSubscription = extraGroup.Tag
@@ -186,11 +183,17 @@ func (t *Template) renderOutbounds(metadata M.Metadata, options *boxOption.Optio
 			case C.TypeSelector:
 				selectorOptions := common.PtrValueOrDefault(extraGroup.CustomSelector)
 				groupOutboundPerSubscription.Options = &selectorOptions
-				selectorOptions.Outbounds = append(selectorOptions.Outbounds, subscriptionTags...)
+				selectorOptions.Outbounds = common.Uniq(append(selectorOptions.Outbounds, subscriptionTags...))
+				if len(selectorOptions.Outbounds) == 0 {
+					continue
+				}
 			case C.TypeURLTest:
 				urltestOptions := common.PtrValueOrDefault(extraGroup.CustomURLTest)
 				groupOutboundPerSubscription.Options = &urltestOptions
-				urltestOptions.Outbounds = append(urltestOptions.Outbounds, subscriptionTags...)
+				urltestOptions.Outbounds = common.Uniq(append(urltestOptions.Outbounds, subscriptionTags...))
+				if len(urltestOptions.Outbounds) == 0 {
+					continue
+				}
 			}
 			subscriptionGroups[it.Name] = append(subscriptionGroups[it.Name], groupOutboundPerSubscription)
 		}
@@ -225,10 +228,6 @@ func (t *Template) renderOutbounds(metadata M.Metadata, options *boxOption.Optio
 				return true
 			})...)
 		}
-		extraTags = common.Uniq(extraTags)
-		if len(extraTags) == 0 {
-			continue
-		}
 		groupOutbound := boxOption.Outbound{
 			Tag:  extraGroup.Tag,
 			Type: extraGroup.Type,
@@ -237,11 +236,17 @@ func (t *Template) renderOutbounds(metadata M.Metadata, options *boxOption.Optio
 		case C.TypeSelector:
 			selectorOptions := common.PtrValueOrDefault(extraGroup.CustomSelector)
 			groupOutbound.Options = &selectorOptions
-			selectorOptions.Outbounds = append(selectorOptions.Outbounds, extraTags...)
+			selectorOptions.Outbounds = common.Uniq(append(selectorOptions.Outbounds, extraTags...))
+			if len(selectorOptions.Outbounds) == 0 {
+				continue
+			}
 		case C.TypeURLTest:
 			urltestOptions := common.PtrValueOrDefault(extraGroup.CustomURLTest)
 			groupOutbound.Options = &urltestOptions
-			urltestOptions.Outbounds = append(urltestOptions.Outbounds, extraTags...)
+			urltestOptions.Outbounds = common.Uniq(append(urltestOptions.Outbounds, extraTags...))
+			if len(urltestOptions.Outbounds) == 0 {
+				continue
+			}
 		}
 		if extraGroup.Target == option.ExtraGroupTargetDefault {
 			defaultGroups = append(defaultGroups, groupOutbound)