diff --git a/src/services/httpService.ts b/src/services/httpService.ts
index 69a9d85..3b57279 100644
--- a/src/services/httpService.ts
+++ b/src/services/httpService.ts
@@ -39,6 +39,9 @@ class HttpService {
   private baseURL: string
   private timeout: number
   private enableLog: boolean
+  private loadingCount: number = 0 // 全局loading计数器
+  private currentLoadingText: string = '' // 当前loading文本
+  private hideLoadingTimer: NodeJS.Timeout | null = null // 隐藏loading的延时器
 
   constructor() {
     // 使用环境配置
@@ -104,6 +107,47 @@ class HttpService {
     }
   }
 
+  // 显示loading（支持多个并发请求）
+  private showLoading(loadingText: string): void {
+    // 如果正在延时隐藏loading，取消延时
+    if (this.hideLoadingTimer) {
+      clearTimeout(this.hideLoadingTimer)
+      this.hideLoadingTimer = null
+    }
+
+    this.loadingCount++
+    this.currentLoadingText = loadingText
+
+    // 只有第一个请求时才显示loading
+    if (this.loadingCount === 1) {
+      Taro.showLoading({
+        title: loadingText,
+        mask: true
+      })
+    }
+  }
+
+  // 隐藏loading（支持多个并发请求）
+  private hideLoading(): void {
+    this.loadingCount = Math.max(0, this.loadingCount - 1)
+
+    // 只有所有请求都完成时才隐藏loading
+    if (this.loadingCount === 0) {
+      // 清除之前的延时器
+      if (this.hideLoadingTimer) {
+        clearTimeout(this.hideLoadingTimer)
+        this.hideLoadingTimer = null
+      }
+
+      // 延时300ms后隐藏loading，避免频繁切换
+      this.hideLoadingTimer = setTimeout(() => {
+        Taro.hideLoading()
+        this.currentLoadingText = ''
+        this.hideLoadingTimer = null
+      }, 800)
+    }
+  }
+
   // 处理响应
   private handleResponse<T>(response: any, showToast: boolean): Promise<ApiResponse<T>> {
     return new Promise((resolve, reject) => {
@@ -234,10 +278,7 @@ class HttpService {
 
     // 显示加载提示
     if (showLoading) {
-      Taro.showLoading({
-        title: loadingText,
-        mask: true
-      })
+      this.showLoading(loadingText)
     }
 
     try {
@@ -257,11 +298,6 @@ class HttpService {
     } catch (error) {
       this.log('error', '请求失败', error)
 
-      // 在模拟模式下返回模拟数据
-      if (envConfig.enableMock && isDevelopment()) {
-        this.log('info', '使用模拟数据')
-        return this.getMockResponse<T>(url, method)
-      }
 
       Taro.showToast({
         title: '网络连接失败',
@@ -272,28 +308,11 @@ class HttpService {
     } finally {
       // 隐藏加载提示
       if (showLoading) {
-        Taro.hideLoading()
+        this.hideLoading()
       }
     }
   }
 
-  // 获取模拟数据
-  private getMockResponse<T>(url: string, method: string): ApiResponse<T> {
-    this.log('info', `返回模拟数据: ${method} ${url}`)
-
-    return {
-      code: 200,
-      success: true,
-      message: '模拟请求成功',
-      data: {
-        mockData: true,
-        url,
-        method,
-        timestamp: new Date().toISOString()
-      } as T
-    }
-  }
-
   // GET请求
   get<T = any>(url: string, params?: Record<string, any>, config?: Partial<RequestConfig>): Promise<ApiResponse<T>> {
     return this.request<T>({
@@ -315,41 +334,6 @@ class HttpService {
   }
 
 
-  uploadFile() {
-
-
-  }
-
-  // PUT请求
-  put<T = any>(url: string, data?: any, config?: Partial<RequestConfig>): Promise<ApiResponse<T>> {
-    return this.request<T>({
-      url,
-      method: 'PUT',
-      data,
-      ...config
-    })
-  }
-
-  // DELETE请求
-  delete<T = any>(url: string, params?: Record<string, any>, config?: Partial<RequestConfig>): Promise<ApiResponse<T>> {
-    return this.request<T>({
-      url,
-      method: 'DELETE',
-      params,
-      ...config
-    })
-  }
-
-  // PATCH请求
-  patch<T = any>(url: string, data?: any, config?: Partial<RequestConfig>): Promise<ApiResponse<T>> {
-    return this.request<T>({
-      url,
-      method: 'PATCH',
-      data,
-      ...config
-    })
-  }
-
   // 获取当前环境信息
   getEnvInfo() {
     return {