diff --git a/src/components/rate/rate.vue b/src/components/rate/rate.vue
index a8773d6b..d41f2b39 100644
--- a/src/components/rate/rate.vue
+++ b/src/components/rate/rate.vue
@@ -47,7 +47,7 @@
                 prefixCls: prefixCls,
                 hoverIndex: -1,
                 isHover: false,
-                isHalf: false,
+                isHalf: this.allowHalf && this.value % 1 == 0.5,
                 currentValue: this.value
             };
         },
@@ -127,4 +127,4 @@
             }
         }
     };
-</script>
\ No newline at end of file
+</script>