add nil check

2018-07-06 15:40:59 +08:00 · 2018-07-06 15:40:59 +08:00 · f623894d7a
parent 8d9d57803e
commit f623894d7a
1 changed files with 4 additions and 1 deletions
--- a/request/builder.go
+++ b/request/builder.go
@ -211,7 +211,10 @@ func (b *Builder) parseRequestParams() error {
 											dst[i] = *(fieldValue[i])
 										}
 									}
-									requestParams[tagKey] = strings.Join(dst, ",")
+									if len(dst) != 0 {
+										requestParams[tagKey] = strings.Join(dst, ",")
+									}
+
 								}
 							}
 						}