文书逻辑重新调整，以及接口调试

galaxy/galaxy/Classes/Modules/IntelligentService(服务中心)/MyCertificates(我的证书)/VM/YHFilePreviewTool.swift

@@ -63,7 +63,7 @@ class YHFilePreviewTool: NSObject {
         }
 
         DispatchQueue.main.async { [weak self] in
-            guard let self = self, let presentingVC = self.targetVC else {
+            guard let self = self, self.targetVC != nil else {
                 printLog("Target view controller is not available")
                 return
             }