解决guang 的rss在接口数据错误时兼容

@@ -34,8 +34,8 @@ const getRssArticle = (gender) => {
             break;
     }
     return articlePromise.then((article) => {
-    	// 内容列表
-        if (article.data.list.artList) {
+        // 内容列表
+        if (article && article.data && article.data.list && article.data.list.artList) {
             let build = {};
 
             let artListFunc = (i, len, resolve) => {
@@ -43,22 +43,22 @@ const getRssArticle = (gender) => {
                     let value = article.data.list.artList[i];
                     if (typeof value.id !== 'undefined') {
                         build = guangProcess.formatArticle(value, false, false, true);
-                        build.author.name = build.author.name || '';
+                        build.author.name = (build.author && build.author.name) || '';
                         return _genIntro(value.id).then((intro) => {
                             build.intro = intro;
                             result.push(build);
                             artListFunc(++i, len, resolve);
-		        		                                                                                                                                                                                                                                                                                                                                                                                                                                                                                });
-		        	                                                                                                                                                                                                                                                                                                                                                                                                    }
-	        	                                                                                                                                                                                                                                                                                                                        } else {
+                        });
+                    }
+                } else {
                     resolve(result);
-	        	                                                                                                                                                                                                                                                                                                                        }
-	                                                                                                                                                                                                                                                    };
+                }
+            };
             return new Promise((resolve) => {
                 artListFunc(0, article.data.list.artList.length, resolve);
-	                                                                                                                                                                                                                                                        });
+            });
 
-	                                                                                                                                                                    }
+        }
     });
 };
 
@@ -75,20 +75,20 @@ const _genIntro = (id) => {
             resData.data.forEach((value) => {
                 if (value.text) { // 文字
                     result += htmlProcess.removeHtml(htmlProcess.escapeToHtml(value.text.data.text)) + '<br/>';
-	                                                                                                                                                                                                                                                                                                                                            } else if (value.singleImage) { // 单张图
-    result += `<img src="${helpers.image(value.singleImage.data[0].src, 640, 640)}"/><br/>`;
-	            } else if (value.smallPic && value.smallPic.data) { // 多张小图
-    value.smallPic.data.forEach((small) => {
-        result += `<img src="${helpers.image(small.src, 315, 420)}"/>`;
-	            	                                                                                                });
-    result += '<br/>';
-	            }
-			                                                                                                                                                                                                                                                });
+                } else if (value.singleImage) { // 单张图
+                    result += `<img src="${helpers.image(value.singleImage.data[0].src, 640, 640)}"/><br/>`;
+                } else if (value.smallPic && value.smallPic.data) { // 多张小图
+                    value.smallPic.data.forEach((small) => {
+                        result += `<img src="${helpers.image(small.src, 315, 420)}"/>`;
+                    });
+                    result += '<br/>';
+                }
+            });
             return result;
-		                                                                                                                                                                }
-	                                                                                });
+        }
+    });
 
 };
 module.exports = {
     getRssArticle
-};
+};
\ No newline at end of file