fix

rankin-data-api/src/main/java/cn/rankin/data/api/user/entity/QRCode.java

@@ -30,7 +30,7 @@ public class QRCode implements Serializable {
     @Column(name="time")
     private Date time;
 
-    @Column(name="qrcode")
+    @Column(name="qrcode",columnDefinition="LONGTEXT")
     private String qrcode;
 
     @Column(name="status")