Double-checked locking and volatile

2020-10-28 12:36:38 +08:00
parent f48a7b38d2
commit b23e65fed9
1 changed files with 1 additions and 1 deletions
--- a/common/src/main/java/com/jeesite/common/image/CaptchaUtils.java
+++ b/common/src/main/java/com/jeesite/common/image/CaptchaUtils.java
@@ -31,7 +31,7 @@ import org.patchca.word.RandomWordFactory;
 public class CaptchaUtils {

 	private static Random random = new Random();
-	private static ConfigurableCaptchaService ccs;
+	private volatile static ConfigurableCaptchaService ccs;
 	private static WobbleRippleFilterFactory wrff; 	// 摆波纹
 	private static DoubleRippleFilterFactory doff; 	// 双波纹
 	private static CurvesRippleFilterFactory crff; 	// 曲线波纹