修复导览位置预览与楼层状态

src/data/providers/sgsSdkApiProvider.ts

@@ -371,10 +371,17 @@ const parseJsonPayload = <T>(payload: unknown, requestUrl: string, contentType:
   return payload as T
 }
 
+const inFlightRequests = new Map<string, Promise<unknown>>()
+
 const requestJson = <T>(
   path: string,
   options: { method?: 'GET' | 'POST'; data?: unknown } = {}
-): Promise<T> => new Promise((resolve, reject) => {
+): Promise<T> => {
+  const requestKey = `${options.method || 'GET'}:${path}:${JSON.stringify(options.data || {})}`
+  const existing = inFlightRequests.get(requestKey)
+  if (existing) return existing as Promise<T>
+
+  const request = new Promise<T>((resolve, reject) => {
   const baseUrl = resolveAppApiBaseUrl()
   const requestUrl = `${baseUrl}${path}`
 
@@ -412,7 +419,11 @@ const requestJson = <T>(
       reject(new Error(`SGS 数据接口网络失败: ${path} ${JSON.stringify(error)}`))
     }
   })
-})
+  })
+  inFlightRequests.set(requestKey, request)
+  void request.finally(() => inFlightRequests.delete(requestKey)).catch(() => undefined)
+  return request
+}
 
 const buildQueryString = (params: object) => {
   const query = new URLSearchParams()