diff --git a/tuniao-ui/components/tn-action-sheet/tn-action-sheet.vue b/tuniao-ui/components/tn-action-sheet/tn-action-sheet.vue
index 81555d3..85ffe40 100644
--- a/tuniao-ui/components/tn-action-sheet/tn-action-sheet.vue
+++ b/tuniao-ui/components/tn-action-sheet/tn-action-sheet.vue
@@ -139,7 +139,7 @@
         }
       },
       elZIndex() {
-        return this.zIndex ? this.zIndex : this.$t.zIndex.popup
+        return this.zIndex ? this.zIndex : this.$tn.zIndex.popup
       }
     },
     methods: {