diff --git a/README.md b/README.md
index 64fae1c..363cfc3 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,9 @@ When you need to use smart-doc to generate more API document information, you ca
       "version":"1.0.0"
    }
   ],
+  "apiConstants": [{//Configure your own constant class, smart-doc automatically replaces with a specific value when parsing to a constant
+          "constantsClassName": "com.power.doc.constants.RequestParamConstant"
+  }],
   "requestHeaders": [// Set global request headers, no need to set
     {
       "name": "token",
diff --git a/README_CN.md b/README_CN.md
index b6686a6..54f2e89 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -132,7 +132,9 @@ subprojects{
       "since": "-"
     }
   ],
-
+  "apiConstants": [{//从1.8.9开始配置自己的常量类，smart-doc在解析到常量时自动替换为具体的值
+      "constantsClassName": "com.power.doc.constants.RequestParamConstant"
+  }],
   "sourceCodePaths": [ //设置代码路径，默认加载src/main/java, 没有需求可以不设置
     {
       "path": "src/main/java",
diff --git a/build.gradle b/build.gradle
index 600d168..eda38a8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ plugins {
 }
 
 group 'com.github.shalousun'
-version '1.1.0'
+version '1.1.1'
 
 sourceCompatibility = 1.8
 
diff --git a/src/main/java/com/smartdoc/gradle/util/GradleUtil.java b/src/main/java/com/smartdoc/gradle/util/GradleUtil.java
index 89291d3..5dfb3ea 100644
--- a/src/main/java/com/smartdoc/gradle/util/GradleUtil.java
+++ b/src/main/java/com/smartdoc/gradle/util/GradleUtil.java
@@ -27,10 +27,7 @@
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.power.common.util.FileUtil;
-import com.power.doc.model.ApiConfig;
-import com.power.doc.model.ApiDataDictionary;
-import com.power.doc.model.ApiErrorCodeDictionary;
-import com.power.doc.model.SourceCodePath;
+import com.power.doc.model.*;
 import org.apache.commons.lang3.StringUtils;
 
 import java.io.File;
@@ -77,6 +74,7 @@ public static ApiConfig buildConfig(File configFile, Project project, Logger log
             ApiConfig apiConfig = GSON.fromJson(data, ApiConfig.class);
             List<ApiDataDictionary> apiDataDictionaries = apiConfig.getDataDictionaries();
             List<ApiErrorCodeDictionary> apiErrorCodes = apiConfig.getErrorCodeDictionaries();
+            List<ApiConstant> apiConstants = apiConfig.getApiConstants();
             if (apiErrorCodes != null) {
                 apiErrorCodes.forEach(
                         apiErrorCode -> {
@@ -93,6 +91,14 @@ public static ApiConfig buildConfig(File configFile, Project project, Logger log
                         }
                 );
             }
+            if (apiConstants != null) {
+                apiConstants.forEach(
+                        apiConstant -> {
+                            String className = apiConstant.getConstantsClassName();
+                            apiConstant.setConstantsClass(getClassByClassName(className, classLoader));
+                        }
+                );
+            }
             addSourcePaths(project, apiConfig, log);
             return apiConfig;
         } catch (FileNotFoundException e) {