修复纯IPV6环境下可能出现的空指针引用问题

README.md

@@ -157,7 +157,13 @@ Shell 版本：[https://github.com/spiritLHLS/ecs](https://github.com/spiritLHLS
    ./goecs.sh uninstall
    ```
 
-6. **唤起菜单**
+6. **帮助命令**
+
+   ```bash
+   ./goecs.sh -h
+   ```
+
+7. **唤起菜单**
 
    ```bash
    goecs

README_EN.md

@@ -155,9 +155,14 @@ Will install dependencies by default, update package manager by default, non-int
 
    ```bash
    ./goecs.sh uninstall
+
+6. **help command**
+
+   ```bash
+   ./goecs.sh -h
    ```
 
-6. **Invoke the menu**
+7. **Invoke the menu**
 
    ```bash
    goecs -l en

go.mod

@@ -5,7 +5,7 @@ go 1.23.4
 require (
 	github.com/imroc/req/v3 v3.49.0
 	github.com/oneclickvirt/CommonMediaTests v0.0.4-20240704024502
-	github.com/oneclickvirt/UnlockTests v0.0.25-20250204100855
+	github.com/oneclickvirt/UnlockTests v0.0.26-20250223034957
 	github.com/oneclickvirt/backtrace v0.0.4-20240702140722
 	github.com/oneclickvirt/basics v0.0.9-20250205131258
 	github.com/oneclickvirt/cputest v0.0.9-20250103063414

go.sum

@@ -103,8 +103,8 @@ github.com/nxtrace/NTrace-core v1.3.7 h1:ZnTbPrPqpyeraCvUyNbQTNyl4Gz3NRQDh06WdII
 github.com/nxtrace/NTrace-core v1.3.7/go.mod h1:aW2owz9I+W5i+gJEDmnWli75mB+fuO4UTwdOPMcQHpE=
 github.com/oneclickvirt/CommonMediaTests v0.0.4-20240704024502 h1:hRIYJ2uEp2N3AH5bP5X6bwfdwWfZQO/2WoqpUJ8+WsY=
 github.com/oneclickvirt/CommonMediaTests v0.0.4-20240704024502/go.mod h1:DAmFPRjFV5p9fEzUUSml5jJGn2f1NZJQCzTxITHDjc4=
-github.com/oneclickvirt/UnlockTests v0.0.25-20250204100855 h1:ZJQJ2fz4vzTE4aiHcvCRFKMb7RwRmaDWk6MZNRtJKg0=
-github.com/oneclickvirt/UnlockTests v0.0.25-20250204100855/go.mod h1:yXWIZB6iLS88pEd9m4QJi1GENn+7I91zA72y5ONz2Oc=
+github.com/oneclickvirt/UnlockTests v0.0.26-20250223034957 h1:ztRSF46/SaidNSuSRxaCGDLtA10CLYuoxwR3kMSCDIs=
+github.com/oneclickvirt/UnlockTests v0.0.26-20250223034957/go.mod h1:yXWIZB6iLS88pEd9m4QJi1GENn+7I91zA72y5ONz2Oc=
 github.com/oneclickvirt/backtrace v0.0.4-20240702140722 h1:UJ/VWf+ZbhGarc9HcHMIyenpmX+b2LxkXu0hlLk3Gxs=
 github.com/oneclickvirt/backtrace v0.0.4-20240702140722/go.mod h1:zvsC7xY/WZqs5KL2JB967OVnuqjNbxu9bW6wXRLo5h8=
 github.com/oneclickvirt/basics v0.0.9-20250205131258 h1:LytqWIVlzT1ZS/thB8ZXk7tEpoaj+i6pBQBtACziBjc=

goecs.go

@@ -39,7 +39,7 @@ import (
 )
 
 var (
-	ecsVersion                                                        = "v0.1.13"
+	ecsVersion                                                        = "v0.1.14"
 	menuMode                                                          bool
 	onlyChinaTest                                                     bool
 	input, choice                                                     string

goecs.sh

@@ -85,40 +85,11 @@ check_china() {
                         ;;
                 esac
             else
-                # 在非交互模式下默认使用中国镜像
-                CN=true
-            fi
-        else
-            # 如果 ipapi.co 检测失败，尝试使用 cip.cc
-            if ! curl -m 6 -s https://ipapi.co/json >/dev/null 2>&1; then
-                if curl -m 6 -s cip.cc | grep -q "中国"; then
-                    _yellow "根据cip.cc提供的信息，当前IP可能在中国"
-                    if [ "$noninteractive" != "true" ]; then
-                        reading "是否使用中国镜像完成安装? ([y]/n) " input
-                        case $input in
-                            [yY][eE][sS] | [yY] | "")
-                                _green "已选择使用中国镜像"
-                                CN=true
-                                ;;
-                            [nN][oO] | [nN])
-                                _yellow "已选择不使用中国镜像"
-                                CN=false
-                                ;;
-                            *)
-                                _green "已选择使用中国镜像"
-                                CN=true
-                                ;;
-                        esac
-                    else
-                        # 在非交互模式下默认使用中国镜像
-                        CN=true
-                    fi
-                else
-                    CN=false
-                fi
-            else
+                # 在非交互模式下默认不使用中国镜像
                 CN=false
             fi
+        else
+            CN=false
         fi
     fi
 }
@@ -651,8 +622,6 @@ show_help() {
 ./goecs.sh uninstall      卸载 goecs 命令
 ./goecs.sh help           显示此消息
 
-[English version follows...]
-
 Available commands:
 
 ./goecs.sh env             Check and Install dependencies

utils/utils.go

@@ -60,59 +60,24 @@ func CheckChina(enableLogger bool) bool {
 		SetRetryBackoffInterval(1*time.Second, 3*time.Second).
 		SetRetryFixedInterval(2 * time.Second)
 	ipapiURL := "https://ipapi.co/json"
-	cipccURL := "http://cip.cc"
 	ipapiResp, err := client.R().Get(ipapiURL)
-	if err != nil {
-		if enableLogger {
-			Logger.Info("无法获取IP信息:" + err.Error())
-		}
-	} else {
-		defer ipapiResp.Body.Close()
-		var ipapiBody string
-		ipapiBody, err = ipapiResp.ToString()
-		if err != nil {
-			if enableLogger {
-				Logger.Info("无法读取IP信息响应:" + err.Error())
-			}
-		} else {
-			isInChina := strings.Contains(ipapiBody, "China")
-			if isInChina {
-				fmt.Println("根据ipapi.co提供的信息，当前IP可能在中国")
-				var input string
-				fmt.Print("是否选用中国专项测试(无流媒体测试，有三网Ping值测试)? ([y]/n) ")
-				fmt.Scanln(&input)
-				switch strings.ToLower(input) {
-				case "yes", "y":
-					fmt.Println("使用中国专项测试")
-					selectChina = true
-				case "no", "n":
-					fmt.Println("不使用中国专项测试")
-				default:
-					fmt.Println("使用中国专项测试")
-					selectChina = true
-				}
-				return selectChina
-			}
-		}
-	}
-	cipccResp, err := client.R().Get(cipccURL)
 	if err != nil {
 		if enableLogger {
 			Logger.Info("无法获取IP信息:" + err.Error())
 		}
 		return false
 	}
-	defer cipccResp.Body.Close()
-	cipccBody, err := cipccResp.ToString()
+	defer ipapiResp.Body.Close()
+	ipapiBody, err := ipapiResp.ToString()
 	if err != nil {
 		if enableLogger {
 			Logger.Info("无法读取IP信息响应:" + err.Error())
 		}
 		return false
 	}
-	isInChina := strings.Contains(cipccBody, "中国")
+	isInChina := strings.Contains(ipapiBody, "China")
 	if isInChina {
-		fmt.Println("根据cip.cc提供的信息，当前IP可能在中国")
+		fmt.Println("根据 ipapi.co 提供的信息，当前IP可能在中国")
 		var input string
 		fmt.Print("是否选用中国专项测试(无流媒体测试，有三网Ping值测试)? ([y]/n) ")
 		fmt.Scanln(&input)
@@ -123,7 +88,7 @@ func CheckChina(enableLogger bool) bool {
 		case "no", "n":
 			fmt.Println("不使用中国专项测试")
 		default:
-			fmt.Println("不使用中国专项测试")
+			fmt.Println("使用中国专项测试")
 			selectChina = true
 		}
 	}