更新 API 测试环境 URL，优化中点矩形计算逻辑以适配屏幕尺寸，增加常量定义以提升代码可读性和可维护性。

YuMi/Global/YUMIMacroUitls.h

@@ -57,7 +57,7 @@ isPhoneXSeries = [[UIApplication sharedApplication] delegate].window.safeAreaIns
 ///正式环境
 #define API_HOST_URL @"https://api.hfighting.com"
 ///测试环境
-#define API_HOST_TEST_URL @"http://beta.api.molistar.xyz"
+#define API_HOST_TEST_URL @"http://beta.api.pekolive.com" // http://beta.api.pekolive.com | http://beta.api.molistar.xyz
 
 #define API_Image_URL @"https://image.hfighting.com"
 

YuMi/Modules/YMRoom/View/StageView/SocialStageView.m

@@ -161,9 +161,9 @@
     CGFloat rightCenterX = CGRectGetMinX(rightRect) + mcWidth / 2;
     CGFloat midX = (leftCenterX + rightCenterX) / 2.0;
     
-    // 以中点为中心，返回 75x75 的矩形
-    CGFloat size = 75.0;
-    return CGRectMake(midX - size / 2.0, circleCenterY - size / 2.0, size, size);
+    // 以中点为中心，返回适配屏幕的矩形
+    CGFloat size = kGetScaleWidth(kMidpointRectSize);
+    return CGRectMake(midX - size / 2.0, circleCenterY - size / 4.0, size, size);
 }
 
 @end

YuMi/Modules/YMRoom/View/StageView/StageView.h

@@ -9,9 +9,13 @@
 #import "RoomHostDelegate.h"
 #import "RoomGuestDelegate.h"
 #import "MicroViewProtocol.h"
+#import "YUMIMacroUitls.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
+// 中点矩形尺寸常量
+static const CGFloat kMidpointRectSize = 75.0;
+
 @class MicroQueueModel;
 
 @protocol StageViewDelegate

YuMi/Modules/YMRoom/View/StageView/StageView.m

@@ -1292,8 +1292,8 @@
     CGFloat rightTopY = CGRectGetMinY(rightRect);
     CGFloat midTopY = (leftTopY + rightTopY) / 2.0 - 10.0;
     
-    // 返回75x75的矩形
-    CGFloat size = 75.0;
+    // 返回适配屏幕的矩形
+    CGFloat size = kGetScaleWidth(kMidpointRectSize);
     return CGRectMake(midX - size / 2.0, midTopY, size, size);
 }