diff --git a/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/AbstractRequestClassExporter.kt b/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/AbstractRequestClassExporter.kt
index 6966b05f..880f517d 100644
--- a/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/AbstractRequestClassExporter.kt
+++ b/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/AbstractRequestClassExporter.kt
@@ -171,7 +171,7 @@ abstract class AbstractRequestClassExporter : ClassExporter, Worker {
 
         processResponse(method, request)
 
-        processCompleted(method, request)
+        processCompleted(method, kv, request)
 
         docHandle(request)
     }
@@ -192,7 +192,7 @@ abstract class AbstractRequestClassExporter : ClassExporter, Worker {
         return ruleComputer!!.computer(ClassExportRuleKeys.PARAM_DEFAULT_VALUE, param)
     }
 
-    protected open fun processCompleted(method: ExplicitMethod, request: Request) {
+    protected open fun processCompleted(method: ExplicitMethod, kv: KV<String, Any?>, request: Request) {
         //parse additionalHeader by config
         val additionalHeader = ruleComputer!!.computer(ClassExportRuleKeys.METHOD_ADDITIONAL_HEADER,
                 method)
diff --git a/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/SpringRequestClassExporter.kt b/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/SpringRequestClassExporter.kt
index 066e11b6..66fd3d9e 100644
--- a/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/SpringRequestClassExporter.kt
+++ b/idea-plugin/src/main/kotlin/com/itangcent/idea/plugin/api/export/SpringRequestClassExporter.kt
@@ -8,12 +8,9 @@ import com.intellij.psi.PsiParameter
 import com.itangcent.common.constant.HttpMethod
 import com.itangcent.common.model.Header
 import com.itangcent.common.model.Request
-import com.itangcent.common.utils.KV
-import com.itangcent.common.utils.any
-import com.itangcent.common.utils.isNullOrEmpty
-import com.itangcent.common.utils.tinyString
-import com.itangcent.intellij.config.rule.computer
+import com.itangcent.common.utils.*
 import com.itangcent.idea.plugin.utils.SpringClassName
+import com.itangcent.intellij.config.rule.computer
 import com.itangcent.intellij.jvm.AnnotationHelper
 import com.itangcent.intellij.jvm.element.ExplicitMethod
 import com.itangcent.intellij.jvm.element.ExplicitParameter
@@ -188,6 +185,7 @@ open class SpringRequestClassExporter : AbstractRequestClassExporter() {
         val basePath: String? = kv.getAs("basePath")
         val ctrlHttpMethod: String? = kv.getAs("ctrlHttpMethod")
         val requestMapping = findRequestMappingInAnn(method.psi())
+        kv["requestMapping"] = requestMapping
         var httpMethod = findHttpMethod(requestMapping)
         if (httpMethod == HttpMethod.NO_METHOD && ctrlHttpMethod != HttpMethod.NO_METHOD) {
             httpMethod = ctrlHttpMethod!!
@@ -198,6 +196,11 @@ open class SpringRequestClassExporter : AbstractRequestClassExporter() {
         requestHelper!!.setPath(request, httpPath)
     }
 
+    override fun processCompleted(method: ExplicitMethod, kv: KV<String, Any?>, request: Request) {
+        val requestMapping: Pair<Map<String, Any?>, String>? = kv.getAs("requestMapping")
+        requestMapping?.let { resolveParamInRequestMapping(request, it) }
+    }
+
     //region process spring annotation-------------------------------------------------------------------
 
     private fun findHttpPath(requestMappingAnn: Pair<Map<String, Any?>, String>?): String? {
@@ -209,6 +212,57 @@ open class SpringRequestClassExporter : AbstractRequestClassExporter() {
         }
     }
 
+    protected open fun resolveParamInRequestMapping(request: Request, requestMappingAnn: Pair<Map<String, Any?>, String>) {
+        val params = requestMappingAnn.first["params"] ?: return
+        if (params is Array<*>) {
+            params.map { it.tinyString() }
+                    .filter { it.notNullOrEmpty() }
+                    .forEach { resolveParamStr(request, it!!) }
+        } else {
+            params.tinyString()
+                    ?.takeIf { it.notNullOrEmpty() }
+                    ?.let { resolveParamStr(request, it) }
+        }
+    }
+
+    protected open fun resolveParamStr(request: Request, params: String) {
+        when {
+            params.startsWith("!") -> {
+                requestHelper!!.appendDesc(request, "parameter [${params.removeSuffix("!")}] should not be present")
+            }
+            params.contains("!=") -> {
+                val name = params.substringBefore("!=").trim()
+                val value = params.substringAfter("!=").trim()
+                val param = request.querys?.find { it.name == name }
+                if (param == null) {
+                    requestHelper!!.appendDesc(request, "parameter [$name] " +
+                            "should not equal to [$value]")
+                } else {
+                    param.desc = param.desc.append("should not equal to [$value]", "\n")
+                }
+            }
+            !params.contains('=') -> {
+                val param = request.querys?.find { it.name == params }
+                if (param == null) {
+                    requestHelper!!.addParam(request, params, null, true, null)
+                } else {
+                    param.required = true
+                }
+            }
+            else -> {
+                val name = params.substringBefore("=").trim()
+                val value = params.substringAfter("=").trim()
+                val param = request.querys?.find { it.name == name }
+                if (param == null) {
+                    requestHelper!!.addParam(request, name, value, true, null)
+                } else {
+                    param.required = true
+                    param.value = value
+                }
+            }
+        }
+    }
+
     private fun findHttpMethod(requestMappingAnn: Pair<Map<String, Any?>, String>?): String {
         if (requestMappingAnn != null) {
             when {
@@ -290,6 +344,6 @@ open class SpringRequestClassExporter : AbstractRequestClassExporter() {
         }
     }
 
-    //endregion process spring annotation-------------------------------------------------------------------
+//endregion process spring annotation-------------------------------------------------------------------
 
 }