diff --git a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientRespVO.java b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientRespVO.java
index 375d52beba..fee6061233 100644
--- a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientRespVO.java
+++ b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientRespVO.java
@@ -27,12 +27,12 @@ public class SocialClientRespVO {
     @Schema(description = "客户端密钥", requiredMode = Schema.RequiredMode.REQUIRED, example = "peter")
     private String clientSecret;
 
-    @Schema(description = "publicKey公钥", requiredMode = Schema.RequiredMode.REQUIRED, example = "2000045")
-    private String publicKey;
-
-    @Schema(description = "授权方的网页应用编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2000045")
+    @Schema(description = "授权方的网页应用编号", example = "2000045")
     private String agentId;
 
+    @Schema(description = "publicKey 公钥", example = "2000045")
+    private String publicKey;
+
     @Schema(description = "状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     private Integer status;
 
diff --git a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientSaveReqVO.java b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientSaveReqVO.java
index 9b3ceee91e..1cec0c8873 100644
--- a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientSaveReqVO.java
+++ b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/socail/vo/client/SocialClientSaveReqVO.java
@@ -48,6 +48,9 @@ public class SocialClientSaveReqVO {
     @Schema(description = "授权方的网页应用编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2000045")
     private String agentId;
 
+    @Schema(description = "publicKey 公钥", example = "2000045")
+    private String publicKey;
+
     @Schema(description = "状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     @NotNull(message = "状态不能为空")
     @InEnum(CommonStatusEnum.class)
@@ -61,4 +64,12 @@ public class SocialClientSaveReqVO {
                 || !StrUtil.isEmpty(agentId);
     }
 
+    @AssertTrue(message = "publicKey 不能为空")
+    @JsonIgnore
+    public boolean isPublicKeyValid() {
+        // 如果是支付宝，必须填写 publicKey 属性
+        return !Objects.equals(socialType, SocialTypeEnum.ALIPAY.getType())
+                || !StrUtil.isEmpty(publicKey);
+    }
+
 }
diff --git a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/dal/dataobject/social/SocialClientDO.java b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/dal/dataobject/social/SocialClientDO.java
index 1fcc29f1f1..b81d7d04d4 100644
--- a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/dal/dataobject/social/SocialClientDO.java
+++ b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/dal/dataobject/social/SocialClientDO.java
@@ -81,4 +81,12 @@ public class SocialClientDO extends TenantBaseDO {
      */
     private String agentId;
 
+    /**
+     * publicKey 公钥
+     *
+     * 目前只有部分“社交类型”在使用：
+     * 1. 支付宝：支付宝公钥
+     */
+    private String publicKey;
+
 }
diff --git a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/service/social/SocialClientServiceImpl.java b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/service/social/SocialClientServiceImpl.java
index 682c83ad9b..ea241a2453 100644
--- a/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/service/social/SocialClientServiceImpl.java
+++ b/yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/service/social/SocialClientServiceImpl.java
@@ -210,6 +210,10 @@ public class SocialClientServiceImpl implements SocialClientService {
                 return new AuthAlipayRequest(newAuthConfig, client.getPublicKey());
             }
             // 2.3 设置会 request 里，进行后续使用
+            if (SocialTypeEnum.ALIPAY_MINI_PROGRAM.getType().equals(socialType)) {
+                // 特殊：如果是支付宝的小程序，多了 publicKey 属性，可见 AuthConfig 里的 alipayPublicKey 字段说明
+                return new AuthAlipayRequest(newAuthConfig, client.getPublicKey());
+            }
             ReflectUtil.setFieldValue(request, "config", newAuthConfig);
         }
         return request;