wrong answers

ie-system/src/main/java/com/ruoyi/learn/domain/LearnWrongBook.java

@@ -198,7 +198,7 @@ public class LearnWrongBook extends BaseEntity
         return paperId;
     }
 
-    public void setAnswer(String answers)
+    public void setAnswer(String answer)
     {
         this.answer = answer;
     }