diff --git a/service/src/main/java/com/hfkj/common/utils/WxUtils.java b/service/src/main/java/com/hfkj/common/utils/WxUtils.java
index 7c18dff..20a6fa0 100644
--- a/service/src/main/java/com/hfkj/common/utils/WxUtils.java
+++ b/service/src/main/java/com/hfkj/common/utils/WxUtils.java
@@ -413,49 +413,7 @@ public class WxUtils {
         }
     }
 
-    /**
-     * 用SHA1算法生成安全签名
-     * @param data 数据
-     * @return 安全签名
-     * @throws Exception
-     */
-    public static String getSHA1(final Map<String, Object> data) throws Exception
-    {
-        try {
-            Set<String> keySet = data.keySet();
-            String[] keyArray = keySet.toArray(new String[keySet.size()]);
-            Arrays.sort(keyArray);
-            StringBuilder sb = new StringBuilder();
-            for (String k : keyArray) {
-                if (k.equals(WXPayConstants.FIELD_SIGN) || k.equals("apiKey")) {
-                    continue;
-                }
-                if (data.get(k) != null) // 参数值为空，则不参与签名
-                {
-                    sb.append(k).append("=").append(data.get(k)).append("&");
-                }
-            }
-            String str = sb.substring(0 , sb.length()-1);
-            // SHA1签名生成
-            MessageDigest md = MessageDigest.getInstance("SHA-1");
-            md.update(str.getBytes());
-            byte[] digest = md.digest();
 
-            StringBuffer hexstr = new StringBuffer();
-            String shaHex = "";
-            for (int i = 0; i < digest.length; i++) {
-                shaHex = Integer.toHexString(digest[i] & 0xFF);
-                if (shaHex.length() < 2) {
-                    hexstr.append(0);
-                }
-                hexstr.append(shaHex);
-            }
-            return hexstr.toString();
-        } catch (Exception e) {
-            e.printStackTrace();
-            throw new Exception(String.format("Invalid sign_type: %s"));
-        }
-    }
 
 
 }