Fix broken links in docs and issues of links to English docs appearing in Chinese docs

docs/en_US/AdvancedFeature/MultiPhase.md

@@ -60,7 +60,7 @@ trial:
 
 ### Write a tuner that leverages multi-phase:
 
-Before writing a multi-phase tuner, we highly suggest you to go through  [Customize Tuner](https://nni.readthedocs.io/en/latest/Customize_Tuner.html). Same as writing a normal tuner, your tuner needs to inherit from `Tuner` class. When you enable multi-phase through configuration (set `multiPhase` to true), your tuner will get an additional parameter `trial_job_id` via tuner's following methods:
+Before writing a multi-phase tuner, we highly suggest you to go through [Customize Tuner](https://nni.readthedocs.io/en/latest/Tuner/CustomizeTuner.html). Same as writing a normal tuner, your tuner needs to inherit from `Tuner` class. When you enable multi-phase through configuration (set `multiPhase` to true), your tuner will get an additional parameter `trial_job_id` via tuner's following methods:
 ```
 generate_parameters
 generate_multiple_parameters

docs/zh_CN/MultiPhase.md

@@ -39,7 +39,7 @@ Trial 代码中使用多阶段非常容易，样例如下：
 
 ### 编写使用多阶段的 Tuner：
 
-强烈建议首先阅读[自定义 Tuner](https://nni.readthedocs.io/en/latest/Customize_Tuner.html)，再开始编写多阶段 Tuner。 与普通 Tuner 一样，需要从 `Tuner` 类继承。 当通过配置启用多阶段时（将 `multiPhase` 设为 true），Tuner 会通过下列方法得到一个新的参数 `trial_job_id`：
+强烈建议首先阅读[自定义 Tuner](https://nni.readthedocs.io/zh/latest/CustomizeTuner.html)，再开始编写多阶段 Tuner。 与普通 Tuner 一样，需要从 `Tuner` 类继承。 当通过配置启用多阶段时（将 `multiPhase` 设为 true），Tuner 会通过下列方法得到一个新的参数 `trial_job_id`：
 
     generate_parameters
     generate_multiple_parameters

docs/zh_CN/Release.md

@@ -93,8 +93,8 @@
 ### 文档
 
 * 发布中文文档网站：https://nni.readthedocs.io/zh/latest/
-* 调试和维护：https://nni.readthedocs.io/en/latest/HowToDebug.html
-* Tuner、Assessor 参考：https://nni.readthedocs.io/en/latest/sdk_reference.html#tuner
+* 调试和维护：https://nni.readthedocs.io/zh/latest/HowToDebug.html
+* Tuner、Assessor 参考：https://nni.readthedocs.io/zh/latest/sdk_reference.html#tuner
 
 ### Bug 修复和其它更新
 

docs/zh_CN/Trials.md

@@ -66,7 +66,7 @@ searchSpacePath: /path/to/your/search_space.json
 
 参考 [这里](ExperimentConfig.md) 进一步了解如何配置实验。
 
-* 参考[这里](https://nni.readthedocs.io/en/latest/sdk_reference.html)，了解更多 NNI API (例如 `nni.get_sequence_id()`)。
+* 参考[这里](https://nni.readthedocs.io/zh/latest/sdk_reference.html)，了解更多 NNI API (例如 `nni.get_sequence_id()`)。
 
 <a name="nni-annotation"></a>
 

tools/nni_annotation/README.md

@@ -28,7 +28,7 @@ In NNI, there are mainly four types of annotation:
 
 **Arguments**
 
-- **sampling_algo**: Sampling algorithm that specifies a search space. User should replace it with a built-in NNI sampling function whose name consists of an `nni.` identification and a search space type specified in [SearchSpaceSpec](https://nni.readthedocs.io/en/latest/SearchSpaceSpec.html) such as `choice` or `uniform`.
+- **sampling_algo**: Sampling algorithm that specifies a search space. User should replace it with a built-in NNI sampling function whose name consists of an `nni.` identification and a search space type specified in [SearchSpaceSpec](https://nni.readthedocs.io/en/latest/Tutorial/SearchSpaceSpec.html) such as `choice` or `uniform`.
 - **name**: The name of the variable that the selected value will be assigned to. Note that this argument should be the same as the left value of the following assignment statement.
 
 There are 10 types to express your search space as follows:
@@ -83,10 +83,10 @@ h_pooling = max_pool(hidden_layer, pool_size)
 
    `'''@nni.report_intermediate_result(metrics)'''`
 
-`@nni.report_intermediate_result` is used to report intermediate result, whose usage is the same as `nni.report_intermediate_result` in [Trials.md](https://nni.readthedocs.io/en/latest/Trials.html)
+`@nni.report_intermediate_result` is used to report intermediate result, whose usage is the same as `nni.report_intermediate_result` in [Trials.md](https://nni.readthedocs.io/en/latest/TrialExample/Trials.html)
 
 ### 4. Annotate final result
 
    `'''@nni.report_final_result(metrics)'''`
 
-`@nni.report_final_result` is used to report the final result of the current trial, whose usage is the same as `nni.report_final_result` in [Trials.md](https://nni.readthedocs.io/en/latest/Trials.html)
+`@nni.report_final_result` is used to report the final result of the current trial, whose usage is the same as `nni.report_final_result` in [Trials.md](https://nni.readthedocs.io/en/latest/TrialExample/Trials.html)

tools/nni_annotation/README_zh_CN.md

@@ -27,7 +27,7 @@ NNI 中，有 4 种类型的 Annotation；
 
 **参数**
 
-- **sampling_algo**: 指定搜索空间的采样算法。 可将其换成 NNI 支持的其它采样函数，函数要以 `nni.` 开头。例如，`choice` 或 `uniform`，详见 [SearchSpaceSpec](https://nni.readthedocs.io/zh/latest/SearchSpaceSpec.html)。
+- **sampling_algo**: 指定搜索空间的采样算法。 可将其换成 NNI 支持的其它采样函数，函数要以 `nni.` 开头。例如，`choice` 或 `uniform`，详见[搜索空间](https://nni.readthedocs.io/zh/latest/SearchSpaceSpec.html)。
 - **name**: 将被赋值的变量名称。 注意，此参数应该与下面一行等号左边的值相同。
 
 NNI 支持如下 10 种类型来表示搜索空间：