diff --git a/src/views/Stage.ts b/src/views/Stage.ts
index ba51ac8..c45b832 100644
--- a/src/views/Stage.ts
+++ b/src/views/Stage.ts
@@ -220,22 +220,29 @@ export class Stage extends Laya.Script {
     }  
 
     onClickHint(evt: Laya.Event): void {
-        var list: Array<Block> = new Array()
-        for (var i=0; i<this.blocks.length; i++) {
-            var block = this.blocks[i]
-            if (block.getData().get_checked() == false)
-                list.push(block)
-        }
-        if (list.length > 0) {
-            var random = Math.random()
-            var index = Math.round(random*list.length)
-            if (index >= list.length)
-                index = list.length -1
-            var block = list[index]
-            this.selectedBlock = block
-            var correct = block.getData().get_correct()
+        if (this.selectedBlock && this.selectedBlock.getData().get_checked() == false) {//当前选中的格子没有完成
+            var correct = this.selectedBlock.getData().get_correct()
             var candy = this.candys[correct-1]
-            this.onApplyCandy(candy)
+            this.onApplyCandy(candy)  
+        }
+        else {
+            var list: Array<Block> = new Array()
+            for (var i=0; i<this.blocks.length; i++) {
+                var block = this.blocks[i]
+                if (block.getData().get_checked() == false)
+                    list.push(block)
+            }
+            if (list.length > 0) {
+                var random = Math.random()
+                var index = Math.round(random*list.length)
+                if (index >= list.length)
+                    index = list.length -1
+                var block = list[index]
+                this.selectedBlock = block
+                var correct = block.getData().get_correct()
+                var candy = this.candys[correct-1]
+                this.onApplyCandy(candy)
+            }
         }
     }