1.优化主播代码模块代码，添加统一异常处理

src/main/java/vvpkassistant/exception/ThrowUtils.java

@@ -0,0 +1,46 @@
+package vvpkassistant.exception;
+
+
+import vvpkassistant.common.ErrorCode;
+
+/**
+ * 抛异常工具类
+ *
+ * @author <a href="https://github.com/liyupi">程序员鱼皮</a>
+ * @from <a href="https://yupi.icu">编程导航知识星球</a>
+ */
+public class ThrowUtils {
+
+    /**
+     * 条件成立则抛异常
+     *
+     * @param condition
+     * @param runtimeException
+     */
+    public static void throwIf(boolean condition, RuntimeException runtimeException) {
+        if (condition) {
+            throw runtimeException;
+        }
+    }
+
+    /**
+     * 条件成立则抛异常
+     *
+     * @param condition
+     * @param errorCode
+     */
+    public static void throwIf(boolean condition, ErrorCode errorCode) {
+        throwIf(condition, new BusinessException(errorCode));
+    }
+
+    /**
+     * 条件成立则抛异常
+     *
+     * @param condition
+     * @param errorCode
+     * @param message
+     */
+    public static void throwIf(boolean condition, ErrorCode errorCode, String message) {
+        throwIf(condition, new BusinessException(errorCode, message));
+    }
+}