删除 EmoneyRequestConfig 和 ProxyConfig 设置，改为数据库（SQLite）配置。默认配置的设置和删除逻辑由

SQLite 触发器配置。

src/main/java/quant/rich/emoney/component/CallerLockAspect.java

@@ -8,9 +8,13 @@ import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.stereotype.Component;
 
-import quant.rich.emoney.annotation.LockByCaller;
 import quant.rich.emoney.util.CallerLockUtil;
 
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Method;
 import java.util.concurrent.locks.ReentrantLock;
 
@@ -20,7 +24,7 @@ public class CallerLockAspect {
 
     private final SpelExpressionParser parser = new SpelExpressionParser();
 
-    @Around("@annotation(me.qwq.emoney.annotation.LockByCaller)")
+    @Around("@annotation(quant.rich.emoney.component.CallerLockAspect.LockByCaller)")
     public Object around(ProceedingJoinPoint pjp) throws Throwable {
         MethodSignature signature = (MethodSignature) pjp.getSignature();
         Method method = signature.getMethod();
@@ -52,4 +56,25 @@ public class CallerLockAspect {
             lock.unlock();
         }
     }
+    
+    /**
+     * 在方法上添加此注解，可针对调用方加锁，即：<br>
+     * 调用方法为 A 的，多次从 A 调用则加锁，从 B 调用时不受影响<br>
+     * 需要开启 AOP：在任意配置类上增加注解：<i><code>@EnableAspectJAutoProxy</code></i>
+     * @see CallerLockAspect
+     */
+    @Target(ElementType.METHOD)
+    @Retention(RetentionPolicy.RUNTIME)
+    @Documented
+    public static @interface LockByCaller {
+        /**
+         * 可选参数，用于 SpEL 表达式获取 key
+         * 例如：<ul>
+         * <li>@LockByCaller(key = "#userId")</li>
+         * <li>@LockByCaller(key = "#userId + ':' + #userName")</li>
+         * </ul>
+         * 当不指定时，不校验参数，单纯校验 Caller
+         */
+        String key() default "";
+    }
 }