update

mec-student/src/main/java/com/ym/mec/student/controller/WechatController.java

@@ -4,6 +4,7 @@ import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 
 import java.io.IOException;
+import java.net.URLDecoder;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.SortedMap;
@@ -39,6 +40,8 @@ public class WechatController extends BaseController {
 	@ApiOperation("获取签名")
 	@GetMapping(value = "/getSignature")
 	public Object getSignature(String url) throws Exception {
+		
+		url = URLDecoder.decode(url);
 
 		String accessToken = getAccessToken(appId, secret);