fix(api-post): jsonpath异常无法操作

Author: Leon406

plugin-apipost/src/main/kotlin/me/leon/toolsfx/plugin/ApiPostView.kt

@@ -454,7 +454,8 @@ class ApiPostView : PluginFragment("ApiPost") {
         }
         val showdata =
             if (showJsonPath.get() && tfJsonPath.text.trim().isNotEmpty()) {
-                resp.data.simpleJsonPath(tfJsonPath.text.trim())
+                runCatching { resp.data.simpleJsonPath(tfJsonPath.text.trim()) }
+                    .getOrElse { resp.data }
             } else {
                 resp.data
             }

plugin-apipost/src/main/kotlin/me/leon/toolsfx/plugin/PlaceHolders.kt

@@ -39,6 +39,7 @@ fun String.methodCall(args: String): String {
         "base64" -> args.base64()
         "base64File" -> args.toFile().readBytes().base64()
         "binary" -> args.toBinaryString()
+        "env" -> System.getenv(args)
         "uppercase" -> args.uppercase()
         "lowercase" -> args.lowercase()
         "date2Mills" ->